init

2024-11-20 11:44:36 +08:00 · 2024-11-20 11:44:36 +08:00 · 1c8e2579b9
commit 1c8e2579b9
32 changed files with 3116 additions and 0 deletions
--- a/.gitattributes
+++ b/.gitattributes
@ -0,0 +1 @@
+/completions/**/* linguist-generated
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@ -0,0 +1,15 @@
+version: 2
+updates:
+- package-ecosystem: cargo
+  directory: "/"
+  schedule:
+    interval: weekly
+  open-pull-requests-limit: 10
+  reviewers:
+  - wfxr
+  labels:
+  - dependencies
+  commit-message:
+    prefix: "chore"
+    prefix-development: "chore"
+    include: "scope"
--- a/.github/issue_template.md
+++ b/.github/issue_template.md
@ -0,0 +1,22 @@
+<!-- ISSUES NOT FOLLOWING THIS TEMPLATE WILL BE CLOSED AND DELETED -->
+
+<!-- Check all that apply [x] -->
+
+## Check list
+
+- [ ] I have read through the [README](https://github.com/wfxr/csview/blob/master/README.md)
+- [ ] I have searched through the existing issues
+
+## Environment info
+
+- OS
+    - [ ] Linux
+    - [ ] Mac OS X
+    - [ ] Windows
+    - [ ] Others:
+
+## Version
+
+<!-- get by running `csview --version` -->
+
+## Problem / Steps to reproduce
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@ -0,0 +1,29 @@
+<!-- Check all that apply [x] -->
+
+## Check list
+
+- [ ] I have read through the [README](https://github.com/wfxr/csview/blob/master/README.md) (especially F.A.Q section)
+- [ ] I have searched through the existing issues or pull requests
+- [ ] I have performed a self-review of my code and commented hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation (when necessary)
+
+## Description
+
+<!-- Please include a summary of the change(and the related issue if any). Please also include relevant motivation and context when necessary. -->
+
+## Type of change
+
+- [ ] Bug fix
+- [ ] New feature
+- [ ] Refactor
+- [ ] Breaking change
+- [ ] Documentation change
+- [ ] CICD related improvement
+
+## Test environment
+
+- OS
+    - [ ] Linux
+    - [ ] Mac OS X
+    - [ ] Windows
+    - [ ] Others:
--- a/.github/workflows/CICD.yml
+++ b/.github/workflows/CICD.yml
@ -0,0 +1,342 @@
+name: CICD
+
+env:
+  CICD_INTERMEDIATES_DIR: "_cicd-intermediates"
+  MSRV_FEATURES: "--all-features"
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches:
+      - master
+    tags:
+      - "*"
+
+jobs:
+  crate_metadata:
+    name: Extract crate metadata
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Extract crate information
+        id: crate_metadata
+        run: |
+          cargo metadata --no-deps --format-version 1 | jq -r '"name="        + .packages[0].name'         | tee -a $GITHUB_OUTPUT
+          cargo metadata --no-deps --format-version 1 | jq -r '"version="     + .packages[0].version'      | tee -a $GITHUB_OUTPUT
+          cargo metadata --no-deps --format-version 1 | jq -r '"maintainer="  + .packages[0].authors[0]'   | tee -a $GITHUB_OUTPUT
+          cargo metadata --no-deps --format-version 1 | jq -r '"homepage="    + .packages[0].homepage'     | tee -a $GITHUB_OUTPUT
+          cargo metadata --no-deps --format-version 1 | jq -r '"description=" + .packages[0].description'  | tee -a $GITHUB_OUTPUT
+          cargo metadata --no-deps --format-version 1 | jq -r '"msrv="        + .packages[0].rust_version' | tee -a $GITHUB_OUTPUT
+    outputs:
+      name:        ${{ steps.crate_metadata.outputs.name        }}
+      version:     ${{ steps.crate_metadata.outputs.version     }}
+      maintainer:  ${{ steps.crate_metadata.outputs.maintainer  }}
+      homepage:    ${{ steps.crate_metadata.outputs.homepage    }}
+      description: ${{ steps.crate_metadata.outputs.description }}
+      msrv:        ${{ steps.crate_metadata.outputs.msrv        }}
+
+  ensure_cargo_fmt:
+    name: Ensure 'cargo fmt' has been run
+    runs-on: ubuntu-latest
+    steps:
+      - uses: dtolnay/rust-toolchain@nightly
+        with:
+          components: rustfmt
+      - uses: actions/checkout@v4
+      - run: cargo fmt -- --check
+
+  # min_version:
+  #   name: Minimum supported rust version
+  #   runs-on: ubuntu-latest
+  #   needs: crate_metadata
+  #   steps:
+  #     - name: Checkout source code
+  #       uses: actions/checkout@v4
+  #
+  #     - name: Install rust toolchain (v${{ needs.crate_metadata.outputs.msrv }})
+  #       uses: dtolnay/rust-toolchain@master
+  #       with:
+  #         toolchain: ${{ needs.crate_metadata.outputs.msrv }}
+  #         components: clippy
+  #     - name: Run clippy (on minimum supported rust version to prevent warnings we can't fix)
+  #       run: cargo clippy --locked --all-targets ${{ env.MSRV_FEATURES }}
+  #     - name: Run tests
+  #       run: cargo test --locked ${{ env.MSRV_FEATURES }}
+
+  build:
+    name: ${{ matrix.job.target }} (${{ matrix.job.os }})
+    runs-on: ${{ matrix.job.os }}
+    needs: crate_metadata
+    strategy:
+      fail-fast: false
+      matrix:
+        job:
+          - { target: aarch64-unknown-linux-gnu   , os: ubuntu-20.04, use-cross: true }
+          - { target: aarch64-unknown-linux-musl  , os: ubuntu-20.04, use-cross: true }
+          - { target: arm-unknown-linux-gnueabihf , os: ubuntu-20.04, use-cross: true }
+          - { target: arm-unknown-linux-musleabihf, os: ubuntu-20.04, use-cross: true }
+          - { target: i686-pc-windows-msvc        , os: windows-2019                  }
+          - { target: i686-unknown-linux-gnu      , os: ubuntu-20.04, use-cross: true }
+          - { target: i686-unknown-linux-musl     , os: ubuntu-20.04, use-cross: true }
+          - { target: x86_64-apple-darwin         , os: macos-12                      }
+          - { target: aarch64-apple-darwin        , os: macos-14                      }
+          # - { target: x86_64-pc-windows-gnu       , os: windows-2019                  }
+          - { target: x86_64-pc-windows-msvc      , os: windows-2019                  }
+          - { target: x86_64-unknown-linux-gnu    , os: ubuntu-20.04, use-cross: true }
+          - { target: x86_64-unknown-linux-musl   , os: ubuntu-20.04, use-cross: true }
+    env:
+      BUILD_CMD: cargo
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v4
+
+      - name: Install prerequisites
+        shell: bash
+        run: |
+          case ${{ matrix.job.target }} in
+            arm-unknown-linux-*) sudo apt-get -y update ; sudo apt-get -y install gcc-arm-linux-gnueabihf ;;
+            aarch64-unknown-linux-gnu) sudo apt-get -y update ; sudo apt-get -y install gcc-aarch64-linux-gnu ;;
+          esac
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@nightly
+        with:
+          targets: ${{ matrix.job.target }}
+
+      - name: Install cross
+        if: matrix.job.use-cross
+        uses: taiki-e/install-action@v2
+        with:
+          tool: cross
+
+      - name: Overwrite build command env variable
+        if: matrix.job.use-cross
+        shell: bash
+        run: echo "BUILD_CMD=cross" >> $GITHUB_ENV
+
+      - name: Show version information (Rust, cargo, GCC)
+        shell: bash
+        run: |
+          gcc --version || true
+          rustup -V
+          rustup toolchain list
+          rustup default
+          cargo -V
+          rustc -V
+
+      - name: Build
+        shell: bash
+        run: $BUILD_CMD build --locked --release --target=${{ matrix.job.target }}
+
+      - name: Set binary name & path
+        id: bin
+        shell: bash
+        run: |
+          # Figure out suffix of binary
+          EXE_suffix=""
+          case ${{ matrix.job.target }} in
+            *-pc-windows-*) EXE_suffix=".exe" ;;
+          esac;
+
+          # Setup paths
+          BIN_NAME="${{ needs.crate_metadata.outputs.name }}${EXE_suffix}"
+          BIN_PATH="target/${{ matrix.job.target }}/release/${BIN_NAME}"
+
+          # Let subsequent steps know where to find the binary
+          echo "BIN_PATH=${BIN_PATH}" >> $GITHUB_OUTPUT
+          echo "BIN_NAME=${BIN_NAME}" >> $GITHUB_OUTPUT
+
+      - name: Set testing options
+        id: test-options
+        shell: bash
+        run: |
+          # test only library unit tests and binary for arm-type targets
+          unset CARGO_TEST_OPTIONS
+          unset CARGO_TEST_OPTIONS ; case ${{ matrix.job.target }} in arm-* | aarch64-*) CARGO_TEST_OPTIONS="--bin ${{ needs.crate_metadata.outputs.name }}" ;; esac;
+          echo "CARGO_TEST_OPTIONS=${CARGO_TEST_OPTIONS}" >> $GITHUB_OUTPUT
+
+      - name: Run tests
+        shell: bash
+        run: $BUILD_CMD test --locked --target=${{ matrix.job.target }} ${{ steps.test-options.outputs.CARGO_TEST_OPTIONS}}
+
+      - name: Test run
+        shell: bash
+        run: echo -e 'a,b,c\n1,2,3\n4,5,6\n7,8,9' | $BUILD_CMD run --locked --target=${{ matrix.job.target }}
+
+      - name: Strip binary
+        shell: bash
+        run: |
+          if hash strip &>/dev/null; then
+            # strip binary if possible
+            strip "${{ steps.bin.outputs.BIN_PATH }}" || true
+          fi
+
+      - name: Create tarball
+        id: package
+        shell: bash
+        run: |
+          PKG_suffix=".tar.gz" ; case ${{ matrix.job.target }} in *-pc-windows-*) PKG_suffix=".zip" ;; esac;
+          PKG_BASENAME=${{ needs.crate_metadata.outputs.name }}-v${{ needs.crate_metadata.outputs.version }}-${{ matrix.job.target }}
+          PKG_NAME=${PKG_BASENAME}${PKG_suffix}
+          echo "PKG_NAME=${PKG_NAME}" >> $GITHUB_OUTPUT
+
+          PKG_STAGING="${{ env.CICD_INTERMEDIATES_DIR }}/package"
+          ARCHIVE_DIR="${PKG_STAGING}/${PKG_BASENAME}/"
+          mkdir -p "${ARCHIVE_DIR}"
+
+          # Binary
+          cp "${{ steps.bin.outputs.BIN_PATH }}" "$ARCHIVE_DIR"
+
+          # README and LICENSE files
+          cp "README.md" "LICENSE-MIT" "LICENSE-APACHE" "$ARCHIVE_DIR"
+
+          # Autocompletion files
+          cp -r completions "${ARCHIVE_DIR}"
+
+          # base compressed package
+          pushd "${PKG_STAGING}/" >/dev/null
+          case ${{ matrix.job.target }} in
+            *-pc-windows-*) 7z -y a "${PKG_NAME}" "${PKG_BASENAME}"/* | tail -2 ;;
+            *) tar czf "${PKG_NAME}" "${PKG_BASENAME}"/* ;;
+          esac;
+          popd >/dev/null
+
+          # Let subsequent steps know where to find the compressed package
+          echo "PKG_PATH=${PKG_STAGING}/${PKG_NAME}" >> $GITHUB_OUTPUT
+
+      - name: Create Debian package
+        id: debian-package
+        shell: bash
+        if: startsWith(matrix.job.os, 'ubuntu')
+        run: |
+          COPYRIGHT_YEARS="2020 - "$(date "+%Y")
+          DPKG_STAGING="${{ env.CICD_INTERMEDIATES_DIR }}/debian-package"
+          DPKG_DIR="${DPKG_STAGING}/dpkg"
+          mkdir -p "${DPKG_DIR}"
+
+          DPKG_BASENAME=${{ needs.crate_metadata.outputs.name }}
+          DPKG_CONFLICTS=${{ needs.crate_metadata.outputs.name }}-musl
+          case ${{ matrix.job.target }} in *-musl*) DPKG_BASENAME=${{ needs.crate_metadata.outputs.name }}-musl ; DPKG_CONFLICTS=${{ needs.crate_metadata.outputs.name }} ;; esac;
+          DPKG_VERSION=${{ needs.crate_metadata.outputs.version }}
+
+          unset DPKG_ARCH
+          case ${{ matrix.job.target }} in
+            aarch64-*-linux-*) DPKG_ARCH=arm64 ;;
+            arm-*-linux-*hf) DPKG_ARCH=armhf ;;
+            i686-*-linux-*) DPKG_ARCH=i686 ;;
+            x86_64-*-linux-*) DPKG_ARCH=amd64 ;;
+            *) DPKG_ARCH=notset ;;
+          esac;
+
+          DPKG_NAME="${DPKG_BASENAME}_${DPKG_VERSION}_${DPKG_ARCH}.deb"
+          echo "DPKG_NAME=${DPKG_NAME}" >> $GITHUB_OUTPUT
+
+          # Binary
+          install -Dm755 "${{ steps.bin.outputs.BIN_PATH }}" "${DPKG_DIR}/usr/bin/${{ steps.bin.outputs.BIN_NAME }}"
+
+          # Man page
+          # install -Dm644 'doc/${{ needs.crate_metadata.outputs.name }}.1' "${DPKG_DIR}/usr/share/man/man1/${{ needs.crate_metadata.outputs.name }}.1"
+          # gzip -n --best "${DPKG_DIR}/usr/share/man/man1/${{ needs.crate_metadata.outputs.name }}.1"
+
+          # Autocompletion files
+          install -Dm644 'completions/bash/${{ needs.crate_metadata.outputs.name }}.bash' "${DPKG_DIR}/usr/share/bash-completion/completions/${{ needs.crate_metadata.outputs.name }}"
+          install -Dm644 'completions/fish/${{ needs.crate_metadata.outputs.name }}.fish' "${DPKG_DIR}/usr/share/fish/vendor_completions.d/${{ needs.crate_metadata.outputs.name }}.fish"
+          install -Dm644 'completions/zsh/_${{ needs.crate_metadata.outputs.name }}'      "${DPKG_DIR}/usr/share/zsh/vendor-completions/_${{ needs.crate_metadata.outputs.name }}"
+
+          # README and LICENSE
+          install -Dm644 "README.md" "${DPKG_DIR}/usr/share/doc/${DPKG_BASENAME}/README.md"
+          install -Dm644 "LICENSE-MIT" "${DPKG_DIR}/usr/share/doc/${DPKG_BASENAME}/LICENSE-MIT"
+          install -Dm644 "LICENSE-APACHE" "${DPKG_DIR}/usr/share/doc/${DPKG_BASENAME}/LICENSE-APACHE"
+
+          cat > "${DPKG_DIR}/usr/share/doc/${DPKG_BASENAME}/copyright" <<EOF
+          Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+          Upstream-Name: ${{ needs.crate_metadata.outputs.name }}
+          Source: ${{ needs.crate_metadata.outputs.homepage }}
+
+          Files: *
+          Copyright: ${{ needs.crate_metadata.outputs.maintainer }}
+          Copyright: $COPYRIGHT_YEARS ${{ needs.crate_metadata.outputs.maintainer }}
+          License: Apache-2.0 or MIT
+
+          License: Apache-2.0
+            On Debian systems, the complete text of the Apache-2.0 can be found in the
+            file /usr/share/common-licenses/Apache-2.0.
+
+          License: MIT
+            Permission is hereby granted, free of charge, to any
+            person obtaining a copy of this software and associated
+            documentation files (the "Software"), to deal in the
+            Software without restriction, including without
+            limitation the rights to use, copy, modify, merge,
+            publish, distribute, sublicense, and/or sell copies of
+            the Software, and to permit persons to whom the Software
+            is furnished to do so, subject to the following
+            conditions:
+            .
+            The above copyright notice and this permission notice
+            shall be included in all copies or substantial portions
+            of the Software.
+            .
+            THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+            ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+            TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+            PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+            SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+            CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+            OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+            IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+            DEALINGS IN THE SOFTWARE.
+          EOF
+            chmod 644 "${DPKG_DIR}/usr/share/doc/${DPKG_BASENAME}/copyright"
+
+            # control file
+            mkdir -p "${DPKG_DIR}/DEBIAN"
+            cat > "${DPKG_DIR}/DEBIAN/control" <<EOF
+          Package: ${DPKG_BASENAME}
+          Version: ${DPKG_VERSION}
+          Section: utils
+          Priority: optional
+          Maintainer: ${{ needs.crate_metadata.outputs.maintainer }}
+          Homepage: ${{ needs.crate_metadata.outputs.homepage }}
+          Architecture: ${DPKG_ARCH}
+          Provides: ${{ needs.crate_metadata.outputs.name }}
+          Conflicts: ${DPKG_CONFLICTS}
+          Description: ${{ needs.crate_metadata.outputs.description }}
+          EOF
+
+          DPKG_PATH="${DPKG_STAGING}/${DPKG_NAME}"
+          echo "DPKG_PATH=${DPKG_PATH}" >> $GITHUB_OUTPUT
+
+          # build dpkg
+          fakeroot dpkg-deb --build "${DPKG_DIR}" "${DPKG_PATH}"
+
+      - name: "Artifact upload: tarball"
+        uses: actions/upload-artifact@master
+        with:
+          name: ${{ steps.package.outputs.PKG_NAME }}
+          path: ${{ steps.package.outputs.PKG_PATH }}
+
+      - name: "Artifact upload: Debian package"
+        uses: actions/upload-artifact@master
+        if: steps.debian-package.outputs.DPKG_NAME
+        with:
+          name: ${{ steps.debian-package.outputs.DPKG_NAME }}
+          path: ${{ steps.debian-package.outputs.DPKG_PATH }}
+
+      - name: Check for release
+        id: is-release
+        shell: bash
+        run: |
+          unset IS_RELEASE ; if [[ $GITHUB_REF =~ ^refs/tags/v[0-9].* ]]; then IS_RELEASE='true' ; fi
+          echo "IS_RELEASE=${IS_RELEASE}" >> $GITHUB_OUTPUT
+
+      - name: Publish archives and packages
+        uses: softprops/action-gh-release@v1
+        if: steps.is-release.outputs.IS_RELEASE
+        with:
+          files: |
+            ${{ steps.package.outputs.PKG_PATH }}
+            ${{ steps.debian-package.outputs.DPKG_PATH }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@ -0,0 +1,39 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+jobs:
+  changelog:
+    name: Generate and publish changelog
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Generate a changelog
+        uses: orhun/git-cliff-action@v3
+        id: git-cliff
+        with:
+          config: cliff.toml
+          args: -v --latest --strip header
+        env:
+          OUTPUT: CHANGES.md
+          GITHUB_REPO: ${{ github.repository }}
+
+      - name: Polish changelog
+        shell: bash
+        run: sed -i '1,2d' CHANGES.md
+
+      - name: Upload the changelog
+        uses: ncipollo/release-action@v1
+        with:
+          # draft: true
+          allowUpdates: true
+          bodyFile: CHANGES.md
--- a/.gitignore
+++ b/.gitignore
@ -0,0 +1,4 @@
+/target
+/.idea
+/flamegraph.svg
+/perf.data
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@ -0,0 +1,43 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: v4.0.1
+  hooks:
+  - id: trailing-whitespace
+  - id: check-yaml
+  - id: check-added-large-files
+  - id: mixed-line-ending
+  - id: check-toml
+- repo: local
+  hooks:
+  - id: cargo-fmt
+    name: cargo fmt
+    pass_filenames: false
+    always_run: true
+    language: system
+    entry: cargo fmt
+  - id: cargo-check
+    name: cargo check
+    pass_filenames: false
+    always_run: true
+    language: system
+    entry: cargo check
+  - id: cargo-clippy
+    name: cargo clippy
+    pass_filenames: false
+    language: system
+    always_run: true
+    entry: cargo clippy
+    args: ["--", "-D", "warnings"]
+  - id: update-completions
+    name: update shell completions
+    pass_filenames: false
+    language: system
+    always_run: true
+    entry: >
+      sh -c '
+        touch build.rs &&
+        SHELL_COMPLETIONS_DIR=completions cargo build &&
+        git add completions
+      '
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -0,0 +1,347 @@
+
+## [1.3.3](https://github.com/wfxr/csview/compare/v1.3.2..v1.3.3) (2024-07-08)
+
+### 🐛 Bug Fixes
+
+- Workaround error caused by pager env - ([988add5](https://github.com/wfxr/csview/commit/988add57b9de99c61140c68fd868ee8bec79f5a2))
+
+## [1.3.2](https://github.com/wfxr/csview/compare/v1.3.1..v1.3.2) (2024-04-30)
+
+### ⚙️ Miscellaneous Tasks
+
+- Add aarch64-apple-darwin target - ([4481363](https://github.com/wfxr/csview/commit/448136378a3edab2e1669efab63cd81cde20a703))
+- Update completions for new option - ([3565cfe](https://github.com/wfxr/csview/commit/3565cfee2dd62c4a22f5752ec261aa0b628e0a4a))
+
+## [1.3.1](https://github.com/wfxr/csview/compare/v1.3.0..v1.3.1) (2024-04-29)
+
+### 🚀 Features
+
+- Only enable pager when stdout is a tty - ([420fd03](https://github.com/wfxr/csview/commit/420fd0310db32d42315fc5dcb2b745a4c4cc6909))
+- Allow disabling pager - ([80ae054](https://github.com/wfxr/csview/commit/80ae054283d857814408d186643105b57f7c559d))
+
+### 📚 Documentation
+
+- Remove outdated faq - ([d814a38](https://github.com/wfxr/csview/commit/d814a389eec4a50ee6c0effc19ca601a37ff4395))
+
+### ⚙️ Miscellaneous Tasks
+
+- Remove stale.yml - ([d3ac13b](https://github.com/wfxr/csview/commit/d3ac13b72a6af52cc81ab4482c1db44670fdb307))
+
+## [1.3.0](https://github.com/wfxr/csview/compare/v1.2.4..v1.3.0) (2024-04-15)
+
+### 🚀 Features
+
+- Add pager support ([#198](https://github.com/wfxr/csview/issues/198)) - ([47d3c0a](https://github.com/wfxr/csview/commit/47d3c0a61b6e605ff2ebb0cd4d8d9a60adf758e2))
+- Show error when no input file specified - ([1214c96](https://github.com/wfxr/csview/commit/1214c962a6ff2d20eb1bb67fff3c49053406ca5f))
+
+### 🚜 Refactor
+
+- Replace unmaintained `atty` ([#200](https://github.com/wfxr/csview/issues/200)) - ([d60612b](https://github.com/wfxr/csview/commit/d60612b669c41a2f4515f3a3cb067f3be185274e))
+
+### ⚙️ Miscellaneous Tasks
+
+- Update dependencies - ([b9aed24](https://github.com/wfxr/csview/commit/b9aed24bc46e725a6de1c761e3eee2c508ed5338))
+- Fix release.toml - ([8b28b89](https://github.com/wfxr/csview/commit/8b28b89824b54fd110f9b73a24d8d839e8db627b))
+- Add rust-toolchain.toml & update rustfmt.toml ([#201](https://github.com/wfxr/csview/issues/201)) - ([6fc99d4](https://github.com/wfxr/csview/commit/6fc99d432a9a0670430beef1f74e8da5c126e547))
+- Add changelog ([#199](https://github.com/wfxr/csview/issues/199)) - ([a15325d](https://github.com/wfxr/csview/commit/a15325d1ac8d9d90172247b76bb8e3cc734da6d8))
+- Add FUNDING.yml - ([0e6045f](https://github.com/wfxr/csview/commit/0e6045fb85d2ca748c7dfd7f4e075fce0641bfe1))
+
+## [1.2.4](https://github.com/wfxr/csview/compare/v1.2.3..v1.2.4) (2024-03-04)
+
+### ⚙️ Miscellaneous Tasks
+
+- Update cicd config ([#191](https://github.com/wfxr/csview/issues/191)) - ([3ea5126](https://github.com/wfxr/csview/commit/3ea512652476364ab2afcbae37d9432ce7695192))
+
+## [1.2.3](https://github.com/wfxr/csview/compare/v1.2.2..v1.2.3) (2024-02-22)
+
+### ⚙️ Miscellaneous Tasks
+
+- Cargo update - ([d903e78](https://github.com/wfxr/csview/commit/d903e78363b850686d2a878ab101fe50f0a6e875))
+- Update stale config - ([e39d5a9](https://github.com/wfxr/csview/commit/e39d5a9972d0e742490c068dcc49781ab761e0af))
+- Bump up dependencies - ([4e8034f](https://github.com/wfxr/csview/commit/4e8034fda7a2f212898196bf444ff7cf1229ca87))
+- Avoid unnecessary ci jobs - ([0cec5ca](https://github.com/wfxr/csview/commit/0cec5cab52cb3e21fc1a3c70830b205302833660))
+
+## [1.2.2](https://github.com/wfxr/csview/compare/v1.2.1..v1.2.2) (2022-10-09)
+
+### 🐛 Bug Fixes
+
+- Fix tests - ([9383041](https://github.com/wfxr/csview/commit/93830413d754f52b1ede1b7b0826f9e489720732))
+
+### 🚜 Refactor
+
+- Adjust error code - ([cf101e9](https://github.com/wfxr/csview/commit/cf101e951a59f482b8271debf7bcef52c6273105))
+- Simplify sniff logic - ([9df90a5](https://github.com/wfxr/csview/commit/9df90a547969bcd9b1695ed5c019dffb84d9c916))
+- Simplify seq logic - ([14c1c88](https://github.com/wfxr/csview/commit/14c1c88aac405bcd961d846a8949502499a65b12))
+
+### ⚙️ Miscellaneous Tasks
+
+- Upgrade clap to v4 - ([c0380e3](https://github.com/wfxr/csview/commit/c0380e306e272fa2cfd66d6394e2e643e1ac6f18))
+- Update stale config - ([4dc8ff1](https://github.com/wfxr/csview/commit/4dc8ff1b0692ba280b8dc8c9cd49f7c3712dfc59))
+- Refactor project layout - ([7b0c620](https://github.com/wfxr/csview/commit/7b0c62088e1179b0d160818c24a4baac5172d364))
+
+## [1.2.1](https://github.com/wfxr/csview/compare/v1.2.0..v1.2.1) (2022-09-23)
+
+### 🚜 Refactor
+
+- Serialize enum in lowercase - ([1715587](https://github.com/wfxr/csview/commit/1715587a57fb27bf119fe959c5254ee5da21ab22))
+
+## [1.2.0](https://github.com/wfxr/csview/compare/v1.1.0..v1.2.0) (2022-09-23)
+
+### 🚀 Features
+
+- Add alignment cli options - ([429eb5d](https://github.com/wfxr/csview/commit/429eb5d61cf23d5eee266dd06ee2559af280df6c))
+- Add alignment support - ([a01d227](https://github.com/wfxr/csview/commit/a01d2279f1b7b5ffccf04ee0da9a1398a6d30af8))
+- Add minimal ascii border style - ([0c5ff8e](https://github.com/wfxr/csview/commit/0c5ff8ecb85b50d3182af99891eac04b5cc55209))
+
+### 📚 Documentation
+
+- Update example - ([af43fc9](https://github.com/wfxr/csview/commit/af43fc9dc9ffee47425e75643aee4df8742927b0))
+
+### ⚙️ Miscellaneous Tasks
+
+- Bump up dependencies - ([d7ddc08](https://github.com/wfxr/csview/commit/d7ddc080fe2cdb5353b8372649e40dce30e5878e))
+
+## [1.1.0](https://github.com/wfxr/csview/compare/v1.0.1..v1.1.0) (2022-07-02)
+
+### 🚀 Features
+
+- Support printing line numbers - ([95b31a5](https://github.com/wfxr/csview/commit/95b31a5700f6a4f460950f0f7baa89559d0c989b))
+
+### 🚜 Refactor
+
+- Fix cargo clippy warnings - ([5a1e6d9](https://github.com/wfxr/csview/commit/5a1e6d9e353313a1ebd86cd01e712458e4c94321))
+
+### 📚 Documentation
+
+- `csview` now in homebrew core repo - ([4fec934](https://github.com/wfxr/csview/commit/4fec9346aba10fc1b2ebfc797d83b8ce0f25a1ca))
+
+### ⚙️ Miscellaneous Tasks
+
+- Bump up dependencies - ([ba43992](https://github.com/wfxr/csview/commit/ba43992ed2e1d8087b2f9b0f9d7a5f315b04a4da))
+
+## [1.0.1](https://github.com/wfxr/csview/compare/v1.0.0..v1.0.1) (2022-02-16)
+
+### 📚 Documentation
+
+- Update readme - ([84a8392](https://github.com/wfxr/csview/commit/84a839265227182467fafc9ef285fb289d0b0eea))
+
+### ⚙️ Miscellaneous Tasks
+
+- Remove unstable features - ([aca9261](https://github.com/wfxr/csview/commit/aca9261dd6d4e1f4245087537750b4969b82308f))
+
+## [1.0.0](https://github.com/wfxr/csview/compare/v0.3.12..v1.0.0) (2022-02-16)
+
+### 🚀 Features
+
+- Change default style - ([2389b4a](https://github.com/wfxr/csview/commit/2389b4a75ce6b91c4188a375ba7bd6df98c3afaa))
+- Remove completion sub command - ([d29caba](https://github.com/wfxr/csview/commit/d29cababf42f9b930ef08a3af7b46eb47d78a4e6))
+- Add sniff limit option - ([56b4858](https://github.com/wfxr/csview/commit/56b485830165f8a093646b602cde55a37585e0cb))
+- Add padding and indent option - ([40d7085](https://github.com/wfxr/csview/commit/40d7085479eefe166b56858f19f62df83f0c34e6))
+- Skip title sep when there is no data - ([d53caa5](https://github.com/wfxr/csview/commit/d53caa5675094c33a673208f9ad26193058af781))
+- Replace `prettytable-rs` - ([081d965](https://github.com/wfxr/csview/commit/081d9658a038efea94ffc34f85d6903dac1f4ae4))
+- Implement table writer - ([9fdb7a6](https://github.com/wfxr/csview/commit/9fdb7a6903f0c6c85caea8990ad618893c8ca170))
+
+### 🚜 Refactor
+
+- Rename & clean derive traits - ([d77a5b0](https://github.com/wfxr/csview/commit/d77a5b0fe5b10ebd9900c392585b314b0f1d09b2))
+- Remove cell - ([46bd2c4](https://github.com/wfxr/csview/commit/46bd2c414778b44155c20e778cba88c5784f978d))
+- Lint - ([cf5f340](https://github.com/wfxr/csview/commit/cf5f3406175fefc8a255af2b3fee6f658d146e1b))
+- Rename - ([573e297](https://github.com/wfxr/csview/commit/573e297c52695d12a61a9faec2e4bac946cadceb))
+- Remove redundant enums - ([863c97e](https://github.com/wfxr/csview/commit/863c97e74cd4f1f1b08711fe77e63b39b2d0a37c))
+- Rename - ([d6b336a](https://github.com/wfxr/csview/commit/d6b336a4c910e26563c4877fe809110c47cbc226))
+- Tweak cli options - ([b574e79](https://github.com/wfxr/csview/commit/b574e79b7b7d055ccd515a0ffa19ce4515a8e80c))
+
+### 📚 Documentation
+
+- Update default style - ([bab68ce](https://github.com/wfxr/csview/commit/bab68ce17c106ffea523b522116a100132dad33a))
+- Fix time unit - ([b21642c](https://github.com/wfxr/csview/commit/b21642c5c550af87311bfc2e7ff78049d979f933))
+- Update - ([4d4461e](https://github.com/wfxr/csview/commit/4d4461e3ffec65dd2be0d6f1c87f6bd1b2c43fad))
+- Update - ([a83ad55](https://github.com/wfxr/csview/commit/a83ad555539bbe6a0e0768c01f9d0600f3bdc0cb))
+
+### ⚡ Performance
+
+- Add buffer on writer - ([86c6101](https://github.com/wfxr/csview/commit/86c610119d506b0a09453c5f3b3a3a1223ae5cca))
+- Remove unnecessary buffer - ([ffc59ca](https://github.com/wfxr/csview/commit/ffc59ca90e2aa2c1fdcdc1c20e9114e693dc5c71))
+
+### 🧪 Testing
+
+- Add no padding test - ([ca15128](https://github.com/wfxr/csview/commit/ca15128b1b2a0ec60e3f1e043946f87cbd96bb36))
+
+### ⚙️ Miscellaneous Tasks
+
+- Bump up version - ([8cd76c7](https://github.com/wfxr/csview/commit/8cd76c73a75d0db1db7687d131d54d398f5b2967))
+- NextLineHelp - ([cb795c9](https://github.com/wfxr/csview/commit/cb795c95a8ba941e32127798ab515059b2f6d33b))
+- Switched to nightly rust - ([abb2300](https://github.com/wfxr/csview/commit/abb23008218c103cb6afba38c1381181b2d79908))
+
+## [0.3.11](https://github.com/wfxr/csview/compare/v0.3.10..v0.3.11) (2022-01-01)
+
+### 🚜 Refactor
+
+- Misc - ([35bca57](https://github.com/wfxr/csview/commit/35bca57f605fa825d56d965eff1c7ea200d5c570))
+
+### ⚙️ Miscellaneous Tasks
+
+- Update dependabot config - ([2d2cc6d](https://github.com/wfxr/csview/commit/2d2cc6d1ab09ac5349de0e426a6fc60ee267826c))
+- Clap v3 - ([569552b](https://github.com/wfxr/csview/commit/569552b57c5c5d922885aeeec515c67156b6c5ad))
+
+## [0.3.10](https://github.com/wfxr/csview/compare/v0.3.9..v0.3.10) (2021-12-26)
+
+### 🚀 Features
+
+- Upgrade cli - ([2b40db4](https://github.com/wfxr/csview/commit/2b40db482fbe9b86fff74618590154941dd21939))
+
+### 📚 Documentation
+
+- Update - ([7934cf7](https://github.com/wfxr/csview/commit/7934cf758b268c7dde0caa1b91d8b503414b18ff))
+
+### ⚙️ Miscellaneous Tasks
+
+- Add rustfmt.toml - ([a0b9025](https://github.com/wfxr/csview/commit/a0b9025e930dbd947363e0149c0ffaa3332280e4))
+
+### Typo
+
+- Misc - ([ce696ba](https://github.com/wfxr/csview/commit/ce696ba7ff2b89680b7bc4b9bb5bb145a86872f5))
+
+## [0.3.9](https://github.com/wfxr/csview/compare/v0.3.8..v0.3.9) (2021-11-23)
+
+### 🚜 Refactor
+
+- Clippy lint - ([f36edb1](https://github.com/wfxr/csview/commit/f36edb1bdd49c6916d76d3f3687e4cde876c58e6))
+
+### 📚 Documentation
+
+- Add pkgsrc installation. - ([9888062](https://github.com/wfxr/csview/commit/9888062d1b58de4f5a11ed05970c809dcab012a7))
+
+### ⚙️ Miscellaneous Tasks
+
+- Update license - ([a1de726](https://github.com/wfxr/csview/commit/a1de726f18fd22de1c4d4111a56aee2328262b75))
+- Update ci config - ([33b2b94](https://github.com/wfxr/csview/commit/33b2b946833952eeda82fa04d6d92888f4434843))
+- Update linguist - ([a82edc9](https://github.com/wfxr/csview/commit/a82edc94c48ceab598bbf510481544763e0990e1))
+- Upgrade pre-commit version - ([26fe3d8](https://github.com/wfxr/csview/commit/26fe3d86b9bdf4e1497f3deb28d21677402cae03))
+- Upgrade to 2021 edition - ([0035c2e](https://github.com/wfxr/csview/commit/0035c2e6c636fc574e589dc5b00bfb6b0e5db3e0))
+
+## [0.3.8](https://github.com/wfxr/csview/compare/v0.3.7..v0.3.8) (2021-04-05)
+
+### 🐛 Bug Fixes
+
+- Fix output when table is empty ([#8](https://github.com/wfxr/csview/issues/8)) - ([2fbe3fd](https://github.com/wfxr/csview/commit/2fbe3fd051babe2531bae92f6cca6a495841676e))
+
+## [0.3.7](https://github.com/wfxr/csview/compare/v0.3.6..v0.3.7) (2021-03-19)
+
+### 🚜 Refactor
+
+- Improve error handling - ([67f7b44](https://github.com/wfxr/csview/commit/67f7b44dfa139ba56e24cf0b48001487fddfb0a9))
+- Error handling - ([b6c38ec](https://github.com/wfxr/csview/commit/b6c38ecd7f2060f5b906282324725f400ec8e26d))
+
+### ⚙️ Miscellaneous Tasks
+
+- Add dependabot - ([f5e5920](https://github.com/wfxr/csview/commit/f5e5920677a5f4fc8317f0fc77645de681c68ea1))
+
+## [0.3.6](https://github.com/wfxr/csview/compare/v0.3.5..v0.3.6) (2021-02-07)
+
+### 🚜 Refactor
+
+- Minor refactor & bump up dependencies - ([6edd84e](https://github.com/wfxr/csview/commit/6edd84e90056949916797b25f5aae56ddac8ed37))
+
+### 📚 Documentation
+
+- Add install description for windows - ([06b3006](https://github.com/wfxr/csview/commit/06b3006971066b77a516b8c2e90ef4c306f6a781))
+
+### ⚙️ Miscellaneous Tasks
+
+- Add .gitattributes - ([ca098b0](https://github.com/wfxr/csview/commit/ca098b0e5f9de1dd65993916220e683e9f131a13))
+- Update clippy hook - ([2aafe79](https://github.com/wfxr/csview/commit/2aafe7941bdc50e33a0d5d5d1427f1828e58b77b))
+
+## [0.3.5](https://github.com/wfxr/csview/compare/v0.3.4..v0.3.5) (2020-09-23)
+
+### 🚀 Features
+
+- Add grid style - ([3b758a9](https://github.com/wfxr/csview/commit/3b758a9a406bede7e921dcb7c716ff3e2a5ac2b2))
+
+### 📚 Documentation
+
+- Add macOS installation - ([985d643](https://github.com/wfxr/csview/commit/985d6439c9d79ac648e9930ee87895193d0550b7))
+- Fix table indent in README - ([5356a4d](https://github.com/wfxr/csview/commit/5356a4d462c4ffb85f3bb162bef192c5a0787d40))
+- Add arch linux installation - ([e0c178b](https://github.com/wfxr/csview/commit/e0c178b8f39b46b9a8dfdd9ba35e3f64206ac4ae))
+
+## [0.3.4](https://github.com/wfxr/csview/compare/v0.3.3..v0.3.4) (2020-09-19)
+
+### 🚜 Refactor
+
+- Use exit code defined in sysexits.h - ([c52153e](https://github.com/wfxr/csview/commit/c52153e9f1c187953c663ee0e90c12bcc0d1c38c))
+
+### 📚 Documentation
+
+- Misc - ([177f555](https://github.com/wfxr/csview/commit/177f555f17aff140319388b3ba57308a2ee47499))
+- Add installation section - ([320fd43](https://github.com/wfxr/csview/commit/320fd435f97206dffafe2238af99689e1e1b16df))
+
+### ⚙️ Miscellaneous Tasks
+
+- Remove duplicated hooks - ([a0e3ca3](https://github.com/wfxr/csview/commit/a0e3ca3e85c0cab427eba54fcac7eae5a068cfc4))
+- Words - ([5691214](https://github.com/wfxr/csview/commit/5691214a66abf188e6c77f6a568dcddcc4947477))
+- Add probot-stale config - ([2f036c2](https://github.com/wfxr/csview/commit/2f036c25082e1e2eab1fc3577b3730e858302210))
+- Add issue/pr templates - ([4b1ba13](https://github.com/wfxr/csview/commit/4b1ba136ad9d5a537987d0cdec88eee64c9a8a6b))
+
+## [0.3.3](https://github.com/wfxr/csview/compare/v0.3.2..v0.3.3) (2020-09-19)
+
+### 🚜 Refactor
+
+- Improve error handling ([#2](https://github.com/wfxr/csview/issues/2)) - ([511ac52](https://github.com/wfxr/csview/commit/511ac52313df9aa409a9f48142fb108d72ebb26a))
+
+### 📚 Documentation
+
+- Add credits section - ([a037d45](https://github.com/wfxr/csview/commit/a037d455327d41d25fd15e3a27fc989d1560f024))
+- Add features section - ([7cf4aa6](https://github.com/wfxr/csview/commit/7cf4aa6ae126bbc117babd04f358beddd21fb4fc))
+- Add faq section - ([841bd55](https://github.com/wfxr/csview/commit/841bd55c63a5dc7e826ba4408192afb4f89c3710))
+
+### ⚙️ Miscellaneous Tasks
+
+- Add about message - ([a2b2f9d](https://github.com/wfxr/csview/commit/a2b2f9dc50705c9fa19862e2b9501d6a2578240f))
+
+### Lint
+
+- Cargo clippy - ([b1cb104](https://github.com/wfxr/csview/commit/b1cb104788062bc0e88c105eee5cb9275bbc8362))
+
+## [0.3.2](https://github.com/wfxr/csview/compare/v0.3.1..v0.3.2) (2020-09-18)
+
+### 🚀 Features
+
+- Add markdown style - ([9fb038e](https://github.com/wfxr/csview/commit/9fb038e09e5501a7d5e51a704b99467f532dc18e))
+
+### 📚 Documentation
+
+- Fix crates badge - ([a24e2be](https://github.com/wfxr/csview/commit/a24e2be7391029a1947c1e06565bd2f46341526b))
+
+### ⚙️ Miscellaneous Tasks
+
+- Fix a typo ([#1](https://github.com/wfxr/csview/issues/1)) - ([a5e2e39](https://github.com/wfxr/csview/commit/a5e2e3998472f70b523bbc4886f932fea960b7a9))
+
+## [0.3.1](https://github.com/wfxr/csview/compare/v0.3.0..v0.3.1) (2020-09-17)
+
+### 📚 Documentation
+
+- Add more descriptions - ([113609f](https://github.com/wfxr/csview/commit/113609f0590190dffcad799fa9862a1b0b9012e0))
+- Update readme - ([74c07f4](https://github.com/wfxr/csview/commit/74c07f419435ac7dbc5f87422695db787cd42c7d))
+- Update readme - ([906c747](https://github.com/wfxr/csview/commit/906c7474df7bd0860d4d72f35a1714a2fb76c46e))
+- Update help messages - ([1d48b23](https://github.com/wfxr/csview/commit/1d48b23eb18d52d2efe5bfb3236682a859a7ad1c))
+
+## [0.3.0] - 2020-09-17
+
+### 🚀 Features
+
+- Show possible values for shells - ([c2bbcbc](https://github.com/wfxr/csview/commit/c2bbcbca944d3fc27bd76314ae7ffed72c24d504))
+- Support border style - ([7be10ae](https://github.com/wfxr/csview/commit/7be10ae0148170e7ac6c3eca0797f9ae2bf83906))
+- Support tsv - ([d53fb02](https://github.com/wfxr/csview/commit/d53fb02bffab217b5cd1c55ff14defe694c73ded))
+- Add delimeter support - ([cc9a1b0](https://github.com/wfxr/csview/commit/cc9a1b075e5942e1c36f5b62077595263705c5fb))
+- Use prettytable to print - ([751980c](https://github.com/wfxr/csview/commit/751980cab7be9d9e4c4079835bb5b9a1b7ca30e7))
+
+### 🚜 Refactor
+
+- Remove update command - ([3002149](https://github.com/wfxr/csview/commit/300214906649498b9713ebaa69cea7128ad43220))
+
+### ⚙️ Miscellaneous Tasks
+
+- Add pre-commit hooks - ([cbc60d4](https://github.com/wfxr/csview/commit/cbc60d42287aef1e225961c33ff9a97f3a1c0a6d))
+- Ci & cd - ([985bd1e](https://github.com/wfxr/csview/commit/985bd1e2b9255e9a58709a376b7ce1b99f4f1fca))
+
+<!-- generated by git-cliff -->
--- a/Cargo.lock
+++ b/Cargo.lock
@ -0,0 +1,533 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "anstream"
+version = "0.6.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d96bd03f33fe50a863e394ee9718a706f988b9079b20c3784fb726e7678b62fb"
+dependencies = [
+ "anstyle",
+ "anstyle-parse",
+ "anstyle-query",
+ "anstyle-wincon",
+ "colorchoice",
+ "utf8parse",
+]
+
+[[package]]
+name = "anstyle"
+version = "1.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1bec1de6f59aedf83baf9ff929c98f2ad654b97c9510f4e70cf6f661d49fd5b1"
+
+[[package]]
+name = "anstyle-parse"
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--- a/201
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+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
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+
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+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
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+   Copyright [yyyy] [name of copyright owner]
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+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
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+   See the License for the specific language governing permissions and
+   limitations under the License.
--- a/19
+++ b/19
@ -0,0 +1,19 @@
+Copyright (c) 2020 Wenxuan Zhang (https://wfxr.mit-license.org/2020).
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
--- a/README.md
+++ b/README.md
@ -0,0 +1,190 @@
+<h1 align="center">📠 csview</h1>
+<p align="center">
+    <em>A high performance csv viewer with cjk/emoji support.</em>
+</p>
+
+<p align="center">
+    <a href="https://github.com/wfxr/csview/actions?query=workflow%3ACICD">
+        <img src="https://github.com/wfxr/csview/workflows/CICD/badge.svg" alt="CICD"/>
+    </a>
+    <img src="https://img.shields.io/crates/l/csview.svg" alt="License"/>
+    <a href="https://crates.io/crates/csview">
+        <img src="https://img.shields.io/crates/v/csview.svg?colorB=319e8c" alt="Version">
+    </a>
+    <a href="https://github.com/wfxr/csview/releases">
+        <img src="https://img.shields.io/badge/platform-%20Linux%20|%20OSX%20|%20Win%20|%20ARM-orange.svg" alt="Platform"/>
+    </a>
+</p>
+
+<img src="https://raw.githubusercontent.com/wfxr/i/master/csview-screenshot.png" />
+
+### Features
+
+* Small and *fast* (see [benchmarks](#benchmark) below).
+* Memory efficient.
+* Correctly align [CJK](https://en.wikipedia.org/wiki/CJK_characters) and emoji characters.
+* Support `tsv` and custom delimiters.
+* Support different styles, including markdown table.
+
+### Usage
+```
+$ cat example.csv
+Year,Make,Model,Description,Price
+1997,Ford,E350,"ac, abs, moon",3000.00
+1999,Chevy,"Venture ""Extended Edition""","",4900.00
+1999,Chevy,"Venture ""Extended Edition, Large""",,5000.00
+1996,Jeep,Grand Cherokee,"MUST SELL! air, moon roof",4799.00
+
+$ csview example.csv
+┌──────┬───────┬───────────────────────────────────┬───────────────────────────┬─────────┐
+│ Year │ Make  │               Model               │        Description        │  Price  │
+├──────┼───────┼───────────────────────────────────┼───────────────────────────┼─────────┤
+│ 1997 │ Ford  │ E350                              │ ac, abs, moon             │ 3000.00 │
+│ 1999 │ Chevy │ Venture "Extended Edition"        │                           │ 4900.00 │
+│ 1999 │ Chevy │ Venture "Extended Edition, Large" │                           │ 5000.00 │
+│ 1996 │ Jeep  │ Grand Cherokee                    │ MUST SELL! air, moon roof │ 4799.00 │
+└──────┴───────┴───────────────────────────────────┴───────────────────────────┴─────────┘
+
+$ head /etc/passwd | csview -H -d:
+┌────────────────────────┬───┬───────┬───────┬────────────────────────────┬─────────────────┐
+│ root                   │ x │ 0     │ 0     │                            │ /root           │
+│ bin                    │ x │ 1     │ 1     │                            │ /               │
+│ daemon                 │ x │ 2     │ 2     │                            │ /               │
+│ mail                   │ x │ 8     │ 12    │                            │ /var/spool/mail │
+│ ftp                    │ x │ 14    │ 11    │                            │ /srv/ftp        │
+│ http                   │ x │ 33    │ 33    │                            │ /srv/http       │
+│ nobody                 │ x │ 65534 │ 65534 │ Nobody                     │ /               │
+│ dbus                   │ x │ 81    │ 81    │ System Message Bus         │ /               │
+│ systemd-journal-remote │ x │ 981   │ 981   │ systemd Journal Remote     │ /               │
+│ systemd-network        │ x │ 980   │ 980   │ systemd Network Management │ /               │
+└────────────────────────┴───┴───────┴───────┴────────────────────────────┴─────────────────┘
+```
+
+Run `csview --help` to view detailed usage.
+
+### Installation
+
+#### On Arch Linux
+
+`csview` is available in the Arch User Repository. To install it from [AUR](https://aur.archlinux.org/packages/csview):
+
+```
+yay -S csview
+```
+
+#### On macOS
+
+You can install `csview` with Homebrew:
+
+```
+brew install csview
+```
+
+#### On NetBSD
+
+`csview` is available from the main pkgsrc Repositories. To install simply run
+
+```
+pkgin install csview
+```
+
+or, if you prefer to build from source using [pkgsrc](https://pkgsrc.se/textproc/csview) on any of the supported platforms:
+
+```
+cd /usr/pkgsrc/textproc/csview
+make install
+```
+
+#### On Windows
+
+You can install `csview` with [Scoop](https://scoop.sh/):
+```
+scoop install csview
+```
+
+#### From binaries
+
+Pre-built versions of `csview` for various architectures are available at [Github release page](https://github.com/wfxr/csview/releases).
+
+*Note that you can try the `musl` version (which is statically-linked) if runs into dependency related errors.*
+
+#### From source
+
+`csview` is also published on [crates.io](https://crates.io). If you have latest Rust toolchains installed you can use `cargo` to install it from source:
+
+```
+cargo install --locked csview
+```
+
+If you want the latest version, clone this repository and run `cargo build --release`.
+
+### Benchmark
+
+- [small.csv](https://gist.github.com/wfxr/567e890d4db508b3c7630a96b703a57e#file-action-csv) (10 rows, 4 cols, 695 bytes):
+
+|                                           Tool                                           | Command                   | Mean Time |  Min Time |    Memory |
+|:----------------------------------------------------------------------------------------:|---------------------------|----------:|----------:|----------:|
+|                   [xsv](https://github.com/BurntSushi/xsv/tree/0.13.0)                   | `xsv table small.csv`     |     2.0ms |     1.8ms |     3.9mb |
+|  [csview](https://github.com/wfxr/csview/tree/90ff90e26c3e4c4c37818d717555b3e8f90d27e3)  | `csview small.csv`        | **0.3ms** | **0.1ms** | **2.4mb** |
+| [column](https://github.com/util-linux/util-linux/blob/stable/v2.37/text-utils/column.c) | `column -s, -t small.csv` |     1.3ms |     1.1ms | **2.4mb** |
+|                [csvlook](https://github.com/wireservice/csvkit/tree/1.0.6)               | `csvlook small.csv`       |   148.1ms |   142.4ms |    27.3mb |
+
+- [medium.csv](https://gist.github.com/wfxr/567e890d4db508b3c7630a96b703a57e#file-sample-csv) (10,000 rows, 10 cols, 624K bytes):
+
+|                                           Tool                                           | Command                   |  Mean Time |   Min Time |    Memory |
+|:----------------------------------------------------------------------------------------:|---------------------------|-----------:|-----------:|----------:|
+|                   [xsv](https://github.com/BurntSushi/xsv/tree/0.13.0)                   | `xsv table medium.csv`    |     0.031s |     0.029s |     4.4mb |
+|  [csview](https://github.com/wfxr/csview/tree/90ff90e26c3e4c4c37818d717555b3e8f90d27e3)  | `csview medium.csv`       | **0.017s** | **0.016s** | **2.8mb** |
+| [column](https://github.com/util-linux/util-linux/blob/stable/v2.37/text-utils/column.c) | `column -s, -t small.csv` |     0.052s |     0.050s |     9.9mb |
+|                [csvlook](https://github.com/wireservice/csvkit/tree/1.0.6)               | `csvlook medium.csv`      |     2.664s |     2.617s |    46.8mb |
+
+- `large.csv` (1,000,000 rows, 10 cols, 61M bytes, generated by concatenating [medium.csv](https://gist.github.com/wfxr/567e890d4db508b3c7630a96b703a57e#file-sample-csv) 100 times):
+
+|                                           Tool                                           | Command                   |  Mean Time |   Min Time |    Memory |
+|:----------------------------------------------------------------------------------------:|---------------------------|-----------:|-----------:|----------:|
+|                   [xsv](https://github.com/BurntSushi/xsv/tree/0.13.0)                   | `xsv table large.csv`     |     2.912s |     2.820s |     4.4mb |
+|  [csview](https://github.com/wfxr/csview/tree/90ff90e26c3e4c4c37818d717555b3e8f90d27e3)  | `csview large.csv`        | **1.686s** | **1.665s** | **2.8mb** |
+| [column](https://github.com/util-linux/util-linux/blob/stable/v2.37/text-utils/column.c) | `column -s, -t small.csv` |     5.777s |     5.759s |   767.6mb |
+|                [csvlook](https://github.com/wireservice/csvkit/tree/1.0.6)               | `csvlook large.csv`       |    20.665s |    20.549s |  1105.7mb |
+
+### F.A.Q.
+
+---
+#### We already have [xsv](https://github.com/BurntSushi/xsv), why not contribute to it but build a new tool?
+
+`xsv` is great. But it's aimed for analyzing and manipulating csv data.
+`csview` is designed for formatting and viewing. See also: [xsv/issues/156](https://github.com/BurntSushi/xsv/issues/156)
+
+---
+#### I encountered UTF-8 related errors, how to solve it?
+
+The file may use a non-UTF8 encoding. You can check the file encoding using `file` command:
+
+```
+$ file -i a.csv
+a.csv: application/csv; charset=iso-8859-1
+```
+And then convert it to `utf8`:
+
+```
+$ iconv -f iso-8859-1 -t UTF8//TRANSLIT a.csv -o b.csv
+$ csview b.csv
+```
+
+Or do it in place:
+
+```
+$ iconv -f iso-8859-1 -t UTF8//TRANSLIT a.csv | csview
+```
+
+### Credits
+
+* [csv-rust](https://github.com/BurntSushi/rust-csv)
+* [prettytable-rs](https://github.com/phsym/prettytable-rs)
+* [structopt](https://github.com/TeXitoi/structopt)
+
+### License
+
+`csview` is distributed under the terms of both the MIT License and the Apache License 2.0.
+
+See the [LICENSE-APACHE](LICENSE-APACHE) and [LICENSE-MIT](LICENSE-MIT) files for license details.
--- a/build.rs
+++ b/build.rs
@ -0,0 +1,20 @@
+use clap::CommandFactory;
+use clap_complete::Shell;
+use std::{fs, path::Path};
+
+include!("src/cli.rs");
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let outdir = std::env::var_os("SHELL_COMPLETIONS_DIR")
+        .or_else(|| std::env::var_os("OUT_DIR"))
+        .expect("OUT_DIR not found");
+    let outdir_path = Path::new(&outdir);
+    let app = &mut App::command();
+
+    for shell in Shell::value_variants() {
+        let dir = outdir_path.join(shell.to_string());
+        fs::create_dir_all(&dir)?;
+        clap_complete::generate_to(*shell, app, app.get_name().to_string(), &dir)?;
+    }
+    Ok(())
+}
--- a/cliff.toml
+++ b/cliff.toml
@ -0,0 +1,107 @@
+# git-cliff ~ configuration file
+# https://git-cliff.org/docs/configuration
+#
+# Lines starting with "#" are comments.
+# Configuration options are organized into tables and keys.
+# See documentation for more information on available options.
+
+[changelog]
+# changelog header
+header = """
+"""
+# template for the changelog body
+# https://keats.github.io/tera/docs/#introduction
+body = """
+{%- macro remote_url() -%}
+  https://github.com/{{ remote.github.owner }}/{{ remote.github.repo }}
+{%- endmacro -%}
+
+{% macro print_commit(commit) -%}
+    - {% if commit.scope %}*({{ commit.scope }})* {% endif %}\
+        {% if commit.breaking %}[**breaking**] {% endif %}\
+        {{ commit.message | upper_first }} - \
+        ([{{ commit.id | truncate(length=7, end="") }}]({{ self::remote_url() }}/commit/{{ commit.id }}))\
+{% endmacro -%}
+
+{% if version %}\
+    {% if previous.version %}\
+        ## [{{ version | trim_start_matches(pat="v") }}]\
+          ({{ self::remote_url() }}/compare/{{ previous.version }}..{{ version }}) ({{ timestamp | date(format="%Y-%m-%d") }})
+    {% else %}\
+        ## [{{ version | trim_start_matches(pat="v") }}] - {{ timestamp | date(format="%Y-%m-%d") }}
+    {% endif %}\
+{% else %}\
+    ## [unreleased]
+{% endif %}\
+
+{% for group, commits in commits | group_by(attribute="group") %}
+    ### {{ group | striptags | trim | upper_first }}
+    {% for commit in commits
+    | filter(attribute="scope")
+    | sort(attribute="scope") %}
+        {{ self::print_commit(commit=commit) }}
+    {%- endfor -%}
+    {% raw %}\n{% endraw %}\
+    {%- for commit in commits %}
+        {%- if not commit.scope -%}
+            {{ self::print_commit(commit=commit) }}
+        {% endif -%}
+    {% endfor -%}
+{% endfor %}\n
+"""
+# template for the changelog footer
+footer = """
+<!-- generated by git-cliff -->
+"""
+# remove the leading and trailing whitespace from the templates
+trim = true
+# postprocessors
+postprocessors = [
+    { pattern = '<REPO>', replace = "https://github.com/wfxr/csview" }, # replace repository URL
+]
+
+[git]
+# parse the commits based on https://www.conventionalcommits.org
+conventional_commits = true
+# filter out the commits that are not conventional
+filter_unconventional = true
+# process each line of a commit as an individual commit
+split_commits = false
+# regex for preprocessing the commit messages
+commit_preprocessors = [
+    { pattern = ' (#[0-9]+)', replace = '(${1})' },
+    { pattern = '\((\w+\s)?#([0-9]+)\)', replace = "([#${2}](<REPO>/issues/${2}))" },
+]
+# regex for parsing and grouping commits
+commit_parsers = [
+    { message = "^feat", group = "<!-- 0 -->🚀 Features" },
+    { message = "^fix", group = "<!-- 1 -->🐛 Bug Fixes" },
+    { message = "^doc", group = "<!-- 3 -->📚 Documentation" },
+    { message = "^perf", group = "<!-- 4 -->⚡ Performance" },
+    { message = "^refactor\\(clippy\\)", skip = true },
+    { message = "^refactor", group = "<!-- 2 -->🚜 Refactor" },
+    { message = "^style", group = "<!-- 5 -->🎨 Styling" },
+    { message = "^test", group = "<!-- 6 -->🧪 Testing" },
+    { message = "^chore: [rR]elease", skip = true },
+    { message = "^\\(cargo-release\\)", skip = true },
+    { message = "^chore\\(deps.*\\)", skip = true },
+    { message = "^chore\\(pr\\)", skip = true },
+    { message = "^chore\\(pull\\)", skip = true },
+    { message = "^chore|^ci", group = "<!-- 7 -->⚙️ Miscellaneous Tasks" },
+    { body = ".*security", group = "<!-- 8 -->🛡️ Security" },
+    { message = "^revert", group = "<!-- 9 -->◀️ Revert" },
+]
+# protect breaking changes from being skipped due to matching a skipping commit_parser
+protect_breaking_commits = false
+# filter out the commits that are not matched by commit parsers
+filter_commits = false
+# regex for matching git tags
+tag_pattern = "v[0-9].*"
+# regex for skipping tags
+skip_tags = "beta|alpha"
+# regex for ignoring tags
+ignore_tags = "rc|v2.1.0|v2.1.1"
+# sort the tags topologically
+topo_order = false
+# sort the commits inside sections by oldest/newest order
+sort_commits = "newest"
--- a/completions/bash/csview.bash
+++ b/completions/bash/csview.bash
@ -0,0 +1,86 @@
+_csview() {
+    local i cur prev opts cmd
+    COMPREPLY=()
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    prev="${COMP_WORDS[COMP_CWORD-1]}"
+    cmd=""
+    opts=""
+
+    for i in ${COMP_WORDS[@]}
+    do
+        case "${cmd},${i}" in
+            ",$1")
+                cmd="csview"
+                ;;
+            *)
+                ;;
+        esac
+    done
+
+    case "${cmd}" in
+        csview)
+            opts="-H -n -t -d -s -p -i -P -h -V --no-headers --number --tsv --delimiter --style --padding --indent --sniff --header-align --body-align --disable-pager --help --version [FILE]"
+            if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then
+                COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
+                return 0
+            fi
+            case "${prev}" in
+                --delimiter)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                -d)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                --style)
+                    COMPREPLY=($(compgen -W "none ascii ascii2 sharp rounded reinforced markdown grid" -- "${cur}"))
+                    return 0
+                    ;;
+                -s)
+                    COMPREPLY=($(compgen -W "none ascii ascii2 sharp rounded reinforced markdown grid" -- "${cur}"))
+                    return 0
+                    ;;
+                --padding)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                -p)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                --indent)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                -i)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                --sniff)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
+                --header-align)
+                    COMPREPLY=($(compgen -W "left center right" -- "${cur}"))
+                    return 0
+                    ;;
+                --body-align)
+                    COMPREPLY=($(compgen -W "left center right" -- "${cur}"))
+                    return 0
+                    ;;
+                *)
+                    COMPREPLY=()
+                    ;;
+            esac
+            COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
+            return 0
+            ;;
+    esac
+}
+
+if [[ "${BASH_VERSINFO[0]}" -eq 4 && "${BASH_VERSINFO[1]}" -ge 4 || "${BASH_VERSINFO[0]}" -gt 4 ]]; then
+    complete -F _csview -o nosort -o bashdefault -o default csview
+else
+    complete -F _csview -o bashdefault -o default csview
+fi
--- a/completions/elvish/csview.elv
+++ b/completions/elvish/csview.elv
@ -0,0 +1,47 @@
+
+use builtin;
+use str;
+
+set edit:completion:arg-completer[csview] = {|@words|
+    fn spaces {|n|
+        builtin:repeat $n ' ' | str:join ''
+    }
+    fn cand {|text desc|
+        edit:complex-candidate $text &display=$text' '(spaces (- 14 (wcswidth $text)))$desc
+    }
+    var command = 'csview'
+    for word $words[1..-1] {
+        if (str:has-prefix $word '-') {
+            break
+        }
+        set command = $command';'$word
+    }
+    var completions = [
+        &'csview'= {
+            cand -d 'Specify the field delimiter'
+            cand --delimiter 'Specify the field delimiter'
+            cand -s 'Specify the border style'
+            cand --style 'Specify the border style'
+            cand -p 'Specify padding for table cell'
+            cand --padding 'Specify padding for table cell'
+            cand -i 'Specify global indent for table'
+            cand --indent 'Specify global indent for table'
+            cand --sniff 'Limit column widths sniffing to the specified number of rows. Specify "0" to cancel limit'
+            cand --header-align 'Specify the alignment of the table header'
+            cand --body-align 'Specify the alignment of the table body'
+            cand -H 'Specify that the input has no header row'
+            cand --no-headers 'Specify that the input has no header row'
+            cand -n 'Prepend a column of line numbers to the table'
+            cand --number 'Prepend a column of line numbers to the table'
+            cand -t 'Use ''\t'' as delimiter for tsv'
+            cand --tsv 'Use ''\t'' as delimiter for tsv'
+            cand -P 'Disable pager'
+            cand --disable-pager 'Disable pager'
+            cand -h 'Print help'
+            cand --help 'Print help'
+            cand -V 'Print version'
+            cand --version 'Print version'
+        }
+    ]
+    $completions[$command]
+}
--- a/completions/fish/csview.fish
+++ b/completions/fish/csview.fish
@ -0,0 +1,13 @@
+complete -c csview -s d -l delimiter -d 'Specify the field delimiter' -r
+complete -c csview -s s -l style -d 'Specify the border style' -r -f -a "{none\t'',ascii\t'',ascii2\t'',sharp\t'',rounded\t'',reinforced\t'',markdown\t'',grid\t''}"
+complete -c csview -s p -l padding -d 'Specify padding for table cell' -r
+complete -c csview -s i -l indent -d 'Specify global indent for table' -r
+complete -c csview -l sniff -d 'Limit column widths sniffing to the specified number of rows. Specify "0" to cancel limit' -r
+complete -c csview -l header-align -d 'Specify the alignment of the table header' -r -f -a "{left\t'',center\t'',right\t''}"
+complete -c csview -l body-align -d 'Specify the alignment of the table body' -r -f -a "{left\t'',center\t'',right\t''}"
+complete -c csview -s H -l no-headers -d 'Specify that the input has no header row'
+complete -c csview -s n -l number -d 'Prepend a column of line numbers to the table'
+complete -c csview -s t -l tsv -d 'Use \'\\t\' as delimiter for tsv'
+complete -c csview -s P -l disable-pager -d 'Disable pager'
+complete -c csview -s h -l help -d 'Print help'
+complete -c csview -s V -l version -d 'Print version'
--- a/completions/powershell/_csview.ps1
+++ b/completions/powershell/_csview.ps1
@ -0,0 +1,53 @@
+
+using namespace System.Management.Automation
+using namespace System.Management.Automation.Language
+
+Register-ArgumentCompleter -Native -CommandName 'csview' -ScriptBlock {
+    param($wordToComplete, $commandAst, $cursorPosition)
+
+    $commandElements = $commandAst.CommandElements
+    $command = @(
+        'csview'
+        for ($i = 1; $i -lt $commandElements.Count; $i++) {
+            $element = $commandElements[$i]
+            if ($element -isnot [StringConstantExpressionAst] -or
+                $element.StringConstantType -ne [StringConstantType]::BareWord -or
+                $element.Value.StartsWith('-') -or
+                $element.Value -eq $wordToComplete) {
+                break
+        }
+        $element.Value
+    }) -join ';'
+
+    $completions = @(switch ($command) {
+        'csview' {
+            [CompletionResult]::new('-d', 'd', [CompletionResultType]::ParameterName, 'Specify the field delimiter')
+            [CompletionResult]::new('--delimiter', 'delimiter', [CompletionResultType]::ParameterName, 'Specify the field delimiter')
+            [CompletionResult]::new('-s', 's', [CompletionResultType]::ParameterName, 'Specify the border style')
+            [CompletionResult]::new('--style', 'style', [CompletionResultType]::ParameterName, 'Specify the border style')
+            [CompletionResult]::new('-p', 'p', [CompletionResultType]::ParameterName, 'Specify padding for table cell')
+            [CompletionResult]::new('--padding', 'padding', [CompletionResultType]::ParameterName, 'Specify padding for table cell')
+            [CompletionResult]::new('-i', 'i', [CompletionResultType]::ParameterName, 'Specify global indent for table')
+            [CompletionResult]::new('--indent', 'indent', [CompletionResultType]::ParameterName, 'Specify global indent for table')
+            [CompletionResult]::new('--sniff', 'sniff', [CompletionResultType]::ParameterName, 'Limit column widths sniffing to the specified number of rows. Specify "0" to cancel limit')
+            [CompletionResult]::new('--header-align', 'header-align', [CompletionResultType]::ParameterName, 'Specify the alignment of the table header')
+            [CompletionResult]::new('--body-align', 'body-align', [CompletionResultType]::ParameterName, 'Specify the alignment of the table body')
+            [CompletionResult]::new('-H', 'H ', [CompletionResultType]::ParameterName, 'Specify that the input has no header row')
+            [CompletionResult]::new('--no-headers', 'no-headers', [CompletionResultType]::ParameterName, 'Specify that the input has no header row')
+            [CompletionResult]::new('-n', 'n', [CompletionResultType]::ParameterName, 'Prepend a column of line numbers to the table')
+            [CompletionResult]::new('--number', 'number', [CompletionResultType]::ParameterName, 'Prepend a column of line numbers to the table')
+            [CompletionResult]::new('-t', 't', [CompletionResultType]::ParameterName, 'Use ''\t'' as delimiter for tsv')
+            [CompletionResult]::new('--tsv', 'tsv', [CompletionResultType]::ParameterName, 'Use ''\t'' as delimiter for tsv')
+            [CompletionResult]::new('-P', 'P ', [CompletionResultType]::ParameterName, 'Disable pager')
+            [CompletionResult]::new('--disable-pager', 'disable-pager', [CompletionResultType]::ParameterName, 'Disable pager')
+            [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help')
+            [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help')
+            [CompletionResult]::new('-V', 'V ', [CompletionResultType]::ParameterName, 'Print version')
+            [CompletionResult]::new('--version', 'version', [CompletionResultType]::ParameterName, 'Print version')
+            break
+        }
+    })
+
+    $completions.Where{ $_.CompletionText -like "$wordToComplete*" } |
+        Sort-Object -Property ListItemText
+}
--- a/completions/zsh/_csview
+++ b/completions/zsh/_csview
@ -0,0 +1,55 @@
+#compdef csview
+
+autoload -U is-at-least
+
+_csview() {
+    typeset -A opt_args
+    typeset -a _arguments_options
+    local ret=1
+
+    if is-at-least 5.2; then
+        _arguments_options=(-s -S -C)
+    else
+        _arguments_options=(-s -C)
+    fi
+
+    local context curcontext="$curcontext" state line
+    _arguments "${_arguments_options[@]}" : \
+'-d+[Specify the field delimiter]:DELIMITER: ' \
+'--delimiter=[Specify the field delimiter]:DELIMITER: ' \
+'-s+[Specify the border style]:STYLE:(none ascii ascii2 sharp rounded reinforced markdown grid)' \
+'--style=[Specify the border style]:STYLE:(none ascii ascii2 sharp rounded reinforced markdown grid)' \
+'-p+[Specify padding for table cell]:PADDING: ' \
+'--padding=[Specify padding for table cell]:PADDING: ' \
+'-i+[Specify global indent for table]:INDENT: ' \
+'--indent=[Specify global indent for table]:INDENT: ' \
+'--sniff=[Limit column widths sniffing to the specified number of rows. Specify "0" to cancel limit]:LIMIT: ' \
+'--header-align=[Specify the alignment of the table header]:HEADER_ALIGN:(left center right)' \
+'--body-align=[Specify the alignment of the table body]:BODY_ALIGN:(left center right)' \
+'-H[Specify that the input has no header row]' \
+'--no-headers[Specify that the input has no header row]' \
+'-n[Prepend a column of line numbers to the table]' \
+'--number[Prepend a column of line numbers to the table]' \
+'(-d --delimiter)-t[Use '\''\\t'\'' as delimiter for tsv]' \
+'(-d --delimiter)--tsv[Use '\''\\t'\'' as delimiter for tsv]' \
+'-P[Disable pager]' \
+'--disable-pager[Disable pager]' \
+'-h[Print help]' \
+'--help[Print help]' \
+'-V[Print version]' \
+'--version[Print version]' \
+'::FILE -- File to view:_files' \
+&& ret=0
+}
+
+(( $+functions[_csview_commands] )) ||
+_csview_commands() {
+    local commands; commands=()
+    _describe -t commands 'csview commands' commands "$@"
+}
+
+if [ "$funcstack[1]" = "_csview" ]; then
+    _csview "$@"
+else
+    compdef _csview csview
+fi
--- a/release.toml
+++ b/release.toml
@ -0,0 +1,4 @@
+allow-branch = ["master"]
+pre-release-hook = ["sh", "-c", "git cliff -o CHANGELOG.md --tag {{version}} && git add CHANGELOG.md"]
+pre-release-commit-message = "chore: release {{crate_name}} version {{version}}"
+tag-message = "chore: release {{crate_name}} version {{version}}"
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@ -0,0 +1,3 @@
+[toolchain]
+channel = "stable"
+components = ["rustfmt", "clippy", "rust-analyzer"]
--- a/rustfmt.toml
+++ b/rustfmt.toml
@ -0,0 +1,13 @@
+edition = "2021"
+max_width = 120
+reorder_imports = true
+struct_lit_width = 60
+struct_variant_width = 60
+
+# struct_field_align_threshold = 40
+# comment_width = 120
+# fn_single_line = false
+# imports_layout = "HorizontalVertical"
+# match_arm_blocks = false
+# overflow_delimited_expr = true
+# imports_granularity = "Crate"
--- a/src/cli.rs
+++ b/src/cli.rs
@ -0,0 +1,77 @@
+use std::path::PathBuf;
+
+use clap::{Parser, ValueEnum, ValueHint};
+
+#[derive(Parser)]
+#[command(about, version)]
+#[command(disable_help_subcommand = true)]
+#[command(next_line_help = true)]
+pub struct App {
+    /// File to view.
+    #[arg(name = "FILE", value_hint = ValueHint::FilePath)]
+    pub file: Option<PathBuf>,
+
+    /// Specify that the input has no header row.
+    #[arg(short = 'H', long = "no-headers")]
+    pub no_headers: bool,
+
+    /// Prepend a column of line numbers to the table.
+    #[arg(short, long, alias = "seq")]
+    pub number: bool,
+
+    /// Use '\t' as delimiter for tsv.
+    #[arg(short, long, conflicts_with = "delimiter")]
+    pub tsv: bool,
+
+    /// Specify the field delimiter.
+    #[arg(short, long, default_value_t = ',')]
+    pub delimiter: char,
+
+    /// Specify the border style.
+    #[arg(short, long, value_enum, default_value_t = TableStyle::Sharp, ignore_case = true)]
+    pub style: TableStyle,
+
+    /// Specify padding for table cell.
+    #[arg(short, long, default_value_t = 1)]
+    pub padding: usize,
+
+    /// Specify global indent for table.
+    #[arg(short, long, default_value_t = 0)]
+    pub indent: usize,
+
+    /// Limit column widths sniffing to the specified number of rows. Specify "0" to cancel limit.
+    #[arg(long, default_value_t = 1000, name = "LIMIT")]
+    pub sniff: usize,
+
+    /// Specify the alignment of the table header.
+    #[arg(long, value_enum, default_value_t = Alignment::Center, ignore_case = true)]
+    pub header_align: Alignment,
+
+    /// Specify the alignment of the table body.
+    #[arg(long, value_enum, default_value_t = Alignment::Left, ignore_case = true)]
+    pub body_align: Alignment,
+
+    #[cfg(all(feature = "pager", unix))]
+    /// Disable pager.
+    #[arg(long, short = 'P')]
+    pub disable_pager: bool,
+}
+
+#[derive(Copy, Clone, ValueEnum)]
+pub enum TableStyle {
+    None,
+    Ascii,
+    Ascii2,
+    Sharp,
+    Rounded,
+    Reinforced,
+    Markdown,
+    Grid,
+}
+
+#[derive(Copy, Clone, ValueEnum)]
+pub enum Alignment {
+    Left,
+    Center,
+    Right,
+}
--- a/src/main.rs
+++ b/src/main.rs
@ -0,0 +1,102 @@
+mod cli;
+mod table;
+mod util;
+
+use anyhow::bail;
+use clap::Parser;
+use cli::App;
+use csv::{ErrorKind, ReaderBuilder};
+use std::{
+    fs::File,
+    io::{self, BufWriter, IsTerminal, Read},
+    process,
+};
+use table::TablePrinter;
+use util::table_style;
+
+#[cfg(all(feature = "pager", unix))]
+use pager::Pager;
+
+fn main() {
+    if let Err(e) = try_main() {
+        if let Some(ioerr) = e.root_cause().downcast_ref::<io::Error>() {
+            if ioerr.kind() == io::ErrorKind::BrokenPipe {
+                process::exit(exitcode::OK);
+            }
+        }
+
+        if let Some(csverr) = e.root_cause().downcast_ref::<csv::Error>() {
+            match csverr.kind() {
+                ErrorKind::Utf8 { .. } => {
+                    eprintln!("[error] input is not utf8 encoded");
+                    process::exit(exitcode::DATAERR)
+                }
+                ErrorKind::UnequalLengths { pos, expected_len, len } => {
+                    let pos_info = pos
+                        .as_ref()
+                        .map(|p| format!(" at (byte: {}, line: {}, record: {})", p.byte(), p.line(), p.record()))
+                        .unwrap_or_else(|| "".to_string());
+                    eprintln!(
+                        "[error] unequal lengths{}: expected length is {}, but got {}",
+                        pos_info, expected_len, len
+                    );
+                    process::exit(exitcode::DATAERR)
+                }
+                ErrorKind::Io(e) => {
+                    eprintln!("[error] io error: {}", e);
+                    process::exit(exitcode::IOERR)
+                }
+                e => {
+                    eprintln!("[error] failed to process input: {:?}", e);
+                    process::exit(exitcode::DATAERR)
+                }
+            }
+        }
+
+        eprintln!("{}: {}", env!("CARGO_PKG_NAME"), e);
+        std::process::exit(1)
+    }
+}
+
+fn try_main() -> anyhow::Result<()> {
+    let App {
+        file,
+        no_headers,
+        number,
+        tsv,
+        delimiter,
+        style,
+        padding,
+        indent,
+        sniff,
+        header_align,
+        body_align,
+        #[cfg(all(feature = "pager", unix))]
+        disable_pager,
+    } = App::parse();
+
+    #[cfg(all(feature = "pager", unix))]
+    if !disable_pager && io::stdout().is_terminal() {
+        match std::env::var("CSVIEW_PAGER") {
+            Ok(pager) => Pager::with_pager(&pager).setup(),
+            // XXX: the extra null byte can be removed once https://gitlab.com/imp/pager-rs/-/merge_requests/8 is merged
+            Err(_) => Pager::with_pager("less").pager_envs(["LESS=-SF\0"]).setup(),
+        }
+    }
+
+    let stdout = io::stdout();
+    let wtr = &mut BufWriter::new(stdout.lock());
+    let rdr = ReaderBuilder::new()
+        .delimiter(if tsv { b'\t' } else { delimiter as u8 })
+        .has_headers(!no_headers)
+        .from_reader(match file {
+            Some(path) => Box::new(File::open(path)?) as Box<dyn Read>,
+            None if io::stdin().is_terminal() => bail!("no input file specified (use -h for help)"),
+            None => Box::new(io::stdin()),
+        });
+
+    let sniff = if sniff == 0 { usize::MAX } else { sniff };
+    let table = TablePrinter::new(rdr, sniff, number)?;
+    table.writeln(wtr, &table_style(style, padding, indent, header_align, body_align))?;
+    Ok(())
+}
--- a/src/table/mod.rs
+++ b/src/table/mod.rs
@ -0,0 +1,6 @@
+mod printer;
+mod row;
+mod style;
+
+pub use printer::TablePrinter;
+pub use style::{RowSep, Style, StyleBuilder};
--- a/src/table/printer.rs
+++ b/src/table/printer.rs
@ -0,0 +1,260 @@
+use super::{row::Row, style::Style};
+use csv::{Reader, StringRecord};
+use std::io::{self, Result, Write};
+use unicode_width::UnicodeWidthStr;
+
+pub struct TablePrinter {
+    header: Option<StringRecord>,
+    widths: Vec<usize>,
+    records: Box<dyn Iterator<Item = csv::Result<StringRecord>>>,
+    with_seq: bool,
+}
+
+impl TablePrinter {
+    pub(crate) fn new<R: 'static + io::Read>(mut rdr: Reader<R>, sniff_rows: usize, with_seq: bool) -> Result<Self> {
+        let header = rdr.has_headers().then(|| rdr.headers()).transpose()?.cloned();
+        let (widths, buf) = sniff_widths(&mut rdr, header.as_ref(), sniff_rows, with_seq)?;
+        let records = Box::new(buf.into_iter().map(Ok).chain(rdr.into_records()));
+        Ok(Self { header, widths, records, with_seq })
+    }
+
+    pub(crate) fn writeln<W: Write>(self, wtr: &mut W, fmt: &Style) -> Result<()> {
+        let widths = &self.widths;
+        fmt.rowseps
+            .top
+            .map(|sep| fmt.write_row_sep(wtr, widths, &sep))
+            .transpose()?;
+
+        let mut iter = self.records.peekable();
+
+        if let Some(header) = self.header {
+            let row: Row = self.with_seq.then_some("#").into_iter().chain(header.iter()).collect();
+            row.writeln(wtr, fmt, widths, fmt.header_align)?;
+            if iter.peek().is_some() {
+                fmt.rowseps
+                    .snd
+                    .map(|sep| fmt.write_row_sep(wtr, widths, &sep))
+                    .transpose()?;
+            }
+        }
+
+        let mut seq = 1;
+        while let Some(record) = iter.next().transpose()? {
+            let seq_str = self.with_seq.then(|| seq.to_string());
+            let row: Row = seq_str.iter().map(|s| s.as_str()).chain(record.into_iter()).collect();
+            row.writeln(wtr, fmt, widths, fmt.body_align)?;
+            if let Some(mid) = &fmt.rowseps.mid {
+                if iter.peek().is_some() {
+                    fmt.write_row_sep(wtr, widths, mid)?;
+                }
+            }
+            seq += 1;
+        }
+
+        fmt.rowseps
+            .bot
+            .map(|sep| fmt.write_row_sep(wtr, widths, &sep))
+            .transpose()?;
+
+        wtr.flush()
+    }
+}
+
+fn sniff_widths<R: io::Read>(
+    rdr: &mut Reader<R>,
+    header: Option<&StringRecord>,
+    sniff_rows: usize,
+    with_seq: bool,
+) -> Result<(Vec<usize>, Vec<StringRecord>)> {
+    let mut widths = Vec::new();
+    let mut buf = Vec::new();
+
+    fn update_widths(record: &StringRecord, widths: &mut Vec<usize>) {
+        widths.resize(record.len(), 0);
+        record
+            .into_iter()
+            .map(UnicodeWidthStr::width_cjk)
+            .enumerate()
+            .for_each(|(i, width)| widths[i] = widths[i].max(width))
+    }
+
+    let mut record = header.cloned().unwrap_or_default();
+    update_widths(&record, &mut widths);
+
+    let mut seq = 1;
+    while seq <= sniff_rows && rdr.read_record(&mut record)? {
+        update_widths(&record, &mut widths);
+        seq += 1;
+        buf.push(record.clone());
+    }
+
+    if with_seq {
+        widths.insert(0, seq.to_string().width());
+    }
+    Ok((widths, buf))
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use crate::table::{RowSep, StyleBuilder};
+    use anyhow::Result;
+    use csv::ReaderBuilder;
+
+    macro_rules! gen_table {
+        ($($line:expr)*) => {
+            concat!(
+                $($line, "\n",)*
+            )
+        };
+    }
+
+    #[test]
+    fn test_write() -> Result<()> {
+        let text = "a,b,c\n1,2,3\n4,5,6";
+        let rdr = ReaderBuilder::new().has_headers(true).from_reader(text.as_bytes());
+        let wtr = TablePrinter::new(rdr, 3, false)?;
+
+        let mut buf = Vec::new();
+        wtr.writeln(&mut buf, &Style::default())?;
+
+        assert_eq!(
+            gen_table!(
+                "+---+---+---+"
+                "| a | b | c |"
+                "+---+---+---+"
+                "| 1 | 2 | 3 |"
+                "+---+---+---+"
+                "| 4 | 5 | 6 |"
+                "+---+---+---+"
+            ),
+            std::str::from_utf8(&buf)?
+        );
+        Ok(())
+    }
+
+    #[test]
+    fn test_write_without_padding() -> Result<()> {
+        let text = "a,b,c\n1,2,3\n4,5,6";
+        let rdr = ReaderBuilder::new().has_headers(true).from_reader(text.as_bytes());
+        let wtr = TablePrinter::new(rdr, 3, false)?;
+        let fmt = StyleBuilder::default().padding(0).build();
+
+        let mut buf = Vec::new();
+        wtr.writeln(&mut buf, &fmt)?;
+
+        assert_eq!(
+            gen_table!(
+                "+-+-+-+"
+                "|a|b|c|"
+                "+-+-+-+"
+                "|1|2|3|"
+                "+-+-+-+"
+                "|4|5|6|"
+                "+-+-+-+"
+            ),
+            std::str::from_utf8(&buf)?
+        );
+        Ok(())
+    }
+
+    #[test]
+    fn test_write_with_indent() -> Result<()> {
+        let text = "a,b,c\n1,2,3\n4,5,6";
+        let rdr = ReaderBuilder::new().has_headers(true).from_reader(text.as_bytes());
+        let wtr = TablePrinter::new(rdr, 3, false)?;
+        let fmt = StyleBuilder::default().indent(4).build();
+
+        let mut buf = Vec::new();
+        wtr.writeln(&mut buf, &fmt)?;
+
+        assert_eq!(
+            gen_table!(
+                "    +---+---+---+"
+                "    | a | b | c |"
+                "    +---+---+---+"
+                "    | 1 | 2 | 3 |"
+                "    +---+---+---+"
+                "    | 4 | 5 | 6 |"
+                "    +---+---+---+"
+            ),
+            std::str::from_utf8(&buf)?
+        );
+        Ok(())
+    }
+
+    #[test]
+    fn test_only_header() -> Result<()> {
+        let text = "a,ab,abc";
+        let rdr = ReaderBuilder::new().has_headers(true).from_reader(text.as_bytes());
+        let wtr = TablePrinter::new(rdr, 3, false)?;
+        let fmt = Style::default();
+
+        let mut buf = Vec::new();
+        wtr.writeln(&mut buf, &fmt)?;
+
+        assert_eq!(
+            gen_table!(
+                "+---+----+-----+"
+                "| a | ab | abc |"
+                "+---+----+-----+"
+            ),
+            std::str::from_utf8(&buf)?
+        );
+        Ok(())
+    }
+
+    #[test]
+    fn test_without_header() -> Result<()> {
+        let text = "1,123,35\n383,2, 17";
+        let rdr = ReaderBuilder::new().has_headers(false).from_reader(text.as_bytes());
+        let wtr = TablePrinter::new(rdr, 3, false)?;
+        let fmt = StyleBuilder::new()
+            .col_sep('│')
+            .row_seps(
+                RowSep::new('─', '╭', '┬', '╮'),
+                RowSep::new('─', '├', '┼', '┤'),
+                None,
+                RowSep::new('─', '╰', '┴', '╯'),
+            )
+            .build();
+
+        let mut buf = Vec::new();
+        wtr.writeln(&mut buf, &fmt)?;
+
+        assert_eq!(
+            gen_table!(
+                "╭─────┬─────┬─────╮"
+                "│ 1   │ 123 │ 35  │"
+                "│ 383 │ 2   │  17 │"
+                "╰─────┴─────┴─────╯"
+            ),
+            std::str::from_utf8(&buf)?
+        );
+        Ok(())
+    }
+
+    #[test]
+    fn test_with_seq() -> Result<()> {
+        let text = "a,b,c\n1,2,3\n4,5,6";
+        let rdr = ReaderBuilder::new().has_headers(true).from_reader(text.as_bytes());
+        let wtr = TablePrinter::new(rdr, 3, true)?;
+
+        let mut buf = Vec::new();
+        wtr.writeln(&mut buf, &Style::default())?;
+
+        assert_eq!(
+            gen_table!(
+                "+---+---+---+---+"
+                "| # | a | b | c |"
+                "+---+---+---+---+"
+                "| 1 | 1 | 2 | 3 |"
+                "+---+---+---+---+"
+                "| 2 | 4 | 5 | 6 |"
+                "+---+---+---+---+"
+            ),
+            std::str::from_utf8(&buf)?
+        );
+        Ok(())
+    }
+}
--- a/src/table/row.rs
+++ b/src/table/row.rs
@ -0,0 +1,96 @@
+use std::io::{Result, Write};
+
+use itertools::Itertools;
+use unicode_truncate::{Alignment, UnicodeTruncateStr};
+
+use crate::table::Style;
+
+/// Represent a table row made of cells
+#[derive(Clone, Debug)]
+pub struct Row<'a> {
+    cells: Vec<&'a str>,
+}
+
+impl<'a> FromIterator<&'a str> for Row<'a> {
+    fn from_iter<I: IntoIterator<Item = &'a str>>(iter: I) -> Self {
+        Self { cells: iter.into_iter().collect() }
+    }
+}
+
+impl<'a> Row<'a> {
+    pub fn write<T: Write>(&self, wtr: &mut T, fmt: &Style, widths: &[usize], align: Alignment) -> Result<()> {
+        let sep = fmt.colseps.mid.map(|c| c.to_string()).unwrap_or_default();
+        write!(wtr, "{:indent$}", "", indent = fmt.indent)?;
+        fmt.colseps.lhs.map(|sep| fmt.write_col_sep(wtr, sep)).transpose()?;
+        Itertools::intersperse(
+            self.cells
+                .iter()
+                .zip(widths)
+                .map(|(cell, &width)| cell.unicode_pad(width, align, true))
+                .map(|s| format!("{:pad$}{}{:pad$}", "", s, "", pad = fmt.padding)),
+            sep,
+        )
+        .try_for_each(|s| write!(wtr, "{}", s))?;
+        fmt.colseps.rhs.map(|sep| fmt.write_col_sep(wtr, sep)).transpose()?;
+        Ok(())
+    }
+
+    pub fn writeln<T: Write>(&self, wtr: &mut T, fmt: &Style, widths: &[usize], align: Alignment) -> Result<()> {
+        self.write(wtr, fmt, widths, align).and_then(|_| writeln!(wtr))
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use anyhow::Result;
+    use std::str;
+
+    #[test]
+    fn write_ascii_row() -> Result<()> {
+        let row = Row::from_iter(["a", "b"]);
+        let buf = &mut Vec::new();
+        let fmt = Style::default();
+        let widths = [3, 4];
+
+        row.writeln(buf, &fmt, &widths, Alignment::Left)?;
+        assert_eq!("| a   | b    |\n", str::from_utf8(buf)?);
+        Ok(())
+    }
+
+    #[test]
+    fn write_cjk_row() -> Result<()> {
+        let row = Row::from_iter(["李磊(Jack)", "四川省成都市", "💍"]);
+        let buf = &mut Vec::new();
+        let fmt = Style::default();
+        let widths = [10, 8, 2];
+
+        row.writeln(buf, &fmt, &widths, Alignment::Left)?;
+        assert_eq!("| 李磊(Jack) | 四川省成 | 💍 |\n", str::from_utf8(buf)?);
+        Ok(())
+    }
+
+    #[test]
+    fn write_align_center() -> Result<()> {
+        let row = Row::from_iter(["a", "b"]);
+        let buf = &mut Vec::new();
+        let fmt = Style::default();
+        let widths = [3, 4];
+
+        row.writeln(buf, &fmt, &widths, Alignment::Center)?;
+        assert_eq!("|  a  |  b   |\n", str::from_utf8(buf)?);
+        Ok(())
+    }
+
+    #[test]
+    fn write_align_right() -> Result<()> {
+        let row = Row::from_iter(["a", "b"]);
+        let buf = &mut Vec::new();
+        let fmt = Style::default();
+        let widths = [3, 4];
+
+        row.writeln(buf, &fmt, &widths, Alignment::Right)?;
+        assert_eq!("|   a |    b |\n", str::from_utf8(buf)?);
+        Ok(())
+    }
+}
--- a/src/table/style.rs
+++ b/src/table/style.rs
@ -0,0 +1,277 @@
+use std::io::{Result, Write};
+
+use unicode_truncate::Alignment;
+
+#[derive(Debug, Clone, Copy)]
+pub struct RowSeps {
+    /// Top separator row (top border)
+    /// ```
+    /// >┌───┬───┐
+    ///  │ a │ b │
+    /// ```
+    pub top: Option<RowSep>,
+    /// Second separator row (between the header row and the first data row)
+    /// ```
+    ///  ┌───┬───┐
+    ///  │ a │ b │
+    /// >├───┼───┤
+    /// ```
+    pub snd: Option<RowSep>,
+    /// Middle separator row (between data rows)
+    /// ```
+    /// >├───┼───┤
+    ///  │ 2 │ 2 │
+    /// >├───┼───┤
+    /// ```
+    pub mid: Option<RowSep>,
+    /// Bottom separator row (bottom border)
+    /// ```
+    ///  │ 3 │ 3 │
+    /// >└───┴───┘
+    /// ```
+    pub bot: Option<RowSep>,
+}
+
+/// The characters used for printing a row separator
+#[derive(Debug, Clone, Copy)]
+pub struct RowSep {
+    /// Inner row separator
+    /// ```
+    /// ┌───┬───┐
+    ///   ^
+    /// ```
+    inner: char,
+    /// Left junction separator
+    /// ```
+    /// ┌───┬───┐
+    /// ^
+    /// ```
+    ljunc: char,
+    /// Crossing junction separator
+    /// ```
+    /// ┌───┬───┐
+    ///     ^
+    /// ```
+    cjunc: char,
+    /// Right junction separator
+    /// ```
+    /// ┌───┬───┐
+    ///         ^
+    /// ```
+    rjunc: char,
+}
+
+#[derive(Debug, Clone, Copy)]
+pub struct ColSeps {
+    /// Left separator column (left border)
+    /// ```
+    ///  │ 1 │ 2 │
+    ///  ^
+    /// ```
+    pub lhs: Option<char>,
+    /// Middle column separators
+    /// ```
+    ///  │ 1 │ 2 │
+    ///      ^
+    /// ```
+    pub mid: Option<char>,
+    /// Right separator column (right border)
+    /// ```
+    ///  │ 1 │ 2 │
+    ///          ^
+    /// ```
+    pub rhs: Option<char>,
+}
+
+impl RowSep {
+    pub fn new(sep: char, ljunc: char, cjunc: char, rjunc: char) -> RowSep {
+        RowSep { inner: sep, ljunc, cjunc, rjunc }
+    }
+}
+
+impl Default for RowSep {
+    fn default() -> Self {
+        RowSep::new('-', '+', '+', '+')
+    }
+}
+
+impl Default for RowSeps {
+    fn default() -> Self {
+        Self {
+            top: Some(RowSep::default()),
+            snd: Some(RowSep::default()),
+            mid: Some(RowSep::default()),
+            bot: Some(RowSep::default()),
+        }
+    }
+}
+
+impl Default for ColSeps {
+    fn default() -> Self {
+        Self { lhs: Some('|'), mid: Some('|'), rhs: Some('|') }
+    }
+}
+
+#[derive(Debug, Clone, Copy)]
+pub struct Style {
+    /// Column style
+    pub colseps: ColSeps,
+
+    /// Row style
+    pub rowseps: RowSeps,
+
+    /// Left and right padding
+    pub padding: usize,
+
+    /// Global indentation
+    pub indent: usize,
+
+    /// Header alignment
+    pub header_align: Alignment,
+
+    /// Data alignment
+    pub body_align: Alignment,
+}
+
+impl Default for Style {
+    fn default() -> Self {
+        Self {
+            indent: 0,
+            padding: 1,
+            colseps: ColSeps::default(),
+            rowseps: RowSeps::default(),
+            header_align: Alignment::Center,
+            body_align: Alignment::Left,
+        }
+    }
+}
+
+impl Style {
+    pub fn write_row_sep<W: Write>(&self, wtr: &mut W, widths: &[usize], sep: &RowSep) -> Result<()> {
+        write!(wtr, "{:indent$}", "", indent = self.indent)?;
+        if self.colseps.lhs.is_some() {
+            write!(wtr, "{}", sep.ljunc)?;
+        }
+        let mut iter = widths.iter().peekable();
+        while let Some(width) = iter.next() {
+            for _ in 0..width + self.padding * 2 {
+                write!(wtr, "{}", sep.inner)?;
+            }
+            if self.colseps.mid.is_some() && iter.peek().is_some() {
+                write!(wtr, "{}", sep.cjunc)?;
+            }
+        }
+        if self.colseps.rhs.is_some() {
+            write!(wtr, "{}", sep.rjunc)?;
+        }
+        writeln!(wtr)
+    }
+
+    #[inline]
+    pub fn write_col_sep<W: Write>(&self, wtr: &mut W, sep: char) -> Result<()> {
+        write!(wtr, "{}", sep)
+    }
+}
+
+#[derive(Default, Debug, Clone)]
+pub struct StyleBuilder {
+    format: Box<Style>,
+}
+
+impl StyleBuilder {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    pub fn padding(mut self, padding: usize) -> Self {
+        self.format.padding = padding;
+        self
+    }
+
+    pub fn col_sep(self, sep: impl Into<Option<char>>) -> Self {
+        let sep = sep.into();
+        self.col_seps(sep, sep, sep)
+    }
+
+    pub fn col_seps<L, M, R>(mut self, lhs: L, mid: M, rhs: R) -> Self
+    where
+        L: Into<Option<char>>,
+        M: Into<Option<char>>,
+        R: Into<Option<char>>,
+    {
+        self.format.colseps = ColSeps { lhs: lhs.into(), mid: mid.into(), rhs: rhs.into() };
+        self
+    }
+
+    pub fn row_seps<S1, S2, S3, S4>(mut self, top: S1, snd: S2, mid: S3, bot: S4) -> Self
+    where
+        S1: Into<Option<RowSep>>,
+        S2: Into<Option<RowSep>>,
+        S3: Into<Option<RowSep>>,
+        S4: Into<Option<RowSep>>,
+    {
+        self.format.rowseps = RowSeps {
+            top: top.into(),
+            snd: snd.into(),
+            mid: mid.into(),
+            bot: bot.into(),
+        };
+        self
+    }
+
+    pub fn clear_seps(self) -> Self {
+        self.col_seps(None, None, None).row_seps(None, None, None, None)
+    }
+
+    pub fn indent(mut self, indent: usize) -> Self {
+        self.format.indent = indent;
+        self
+    }
+
+    pub fn header_align(mut self, align: Alignment) -> Self {
+        self.format.header_align = align;
+        self
+    }
+
+    pub fn body_align(mut self, align: Alignment) -> Self {
+        self.format.body_align = align;
+        self
+    }
+
+    pub fn build(&self) -> Style {
+        *self.format
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::*;
+    use anyhow::Result;
+    use std::str;
+
+    #[test]
+    fn test_write_column_separator() -> Result<()> {
+        let fmt = StyleBuilder::new().col_seps('|', '|', '|').padding(1).build();
+        let buf = &mut Vec::new();
+
+        fmt.colseps.lhs.map(|sep| fmt.write_col_sep(buf, sep)).transpose()?;
+
+        assert_eq!("|", str::from_utf8(buf)?);
+        Ok(())
+    }
+
+    #[test]
+    fn test_write_row_separator() -> Result<()> {
+        let fmt = StyleBuilder::new().indent(4).build();
+        let buf = &mut Vec::new();
+        let widths = &[2, 4, 6];
+
+        fmt.rowseps
+            .top
+            .map(|sep| fmt.write_row_sep(buf, widths, &sep))
+            .transpose()?;
+
+        assert_eq!("    +----+------+--------+\n", str::from_utf8(buf)?);
+        Ok(())
+    }
+}
--- a/src/util.rs
+++ b/src/util.rs
@ -0,0 +1,74 @@
+use cli::Alignment;
+
+use crate::{
+    cli::{self, TableStyle},
+    table::{RowSep, Style, StyleBuilder},
+};
+
+pub fn table_style(
+    style: TableStyle,
+    padding: usize,
+    indent: usize,
+    header_align: Alignment,
+    body_align: Alignment,
+) -> Style {
+    let builder = match style {
+        TableStyle::None => StyleBuilder::new().clear_seps(),
+        TableStyle::Ascii => StyleBuilder::new().col_sep('|').row_seps(
+            RowSep::new('-', '+', '+', '+'),
+            RowSep::new('-', '+', '+', '+'),
+            None,
+            RowSep::new('-', '+', '+', '+'),
+        ),
+        TableStyle::Ascii2 => {
+            StyleBuilder::new()
+                .col_seps(' ', '|', ' ')
+                .row_seps(None, RowSep::new('-', ' ', '+', ' '), None, None)
+        }
+        TableStyle::Sharp => StyleBuilder::new().col_sep('│').row_seps(
+            RowSep::new('─', '┌', '┬', '┐'),
+            RowSep::new('─', '├', '┼', '┤'),
+            None,
+            RowSep::new('─', '└', '┴', '┘'),
+        ),
+        TableStyle::Rounded => StyleBuilder::new().col_sep('│').row_seps(
+            RowSep::new('─', '╭', '┬', '╮'),
+            RowSep::new('─', '├', '┼', '┤'),
+            None,
+            RowSep::new('─', '╰', '┴', '╯'),
+        ),
+        TableStyle::Reinforced => StyleBuilder::new().col_sep('│').row_seps(
+            RowSep::new('─', '┏', '┬', '┓'),
+            RowSep::new('─', '├', '┼', '┤'),
+            None,
+            RowSep::new('─', '┗', '┴', '┛'),
+        ),
+        TableStyle::Markdown => {
+            StyleBuilder::new()
+                .col_sep('|')
+                .row_seps(None, RowSep::new('-', '|', '|', '|'), None, None)
+        }
+        TableStyle::Grid => StyleBuilder::new().col_sep('│').row_seps(
+            RowSep::new('─', '┌', '┬', '┐'),
+            RowSep::new('─', '├', '┼', '┤'),
+            RowSep::new('─', '├', '┼', '┤'),
+            RowSep::new('─', '└', '┴', '┘'),
+        ),
+    };
+    builder
+        .padding(padding)
+        .indent(indent)
+        .header_align(header_align.into())
+        .body_align(body_align.into())
+        .build()
+}
+
+impl From<Alignment> for unicode_truncate::Alignment {
+    fn from(a: Alignment) -> Self {
+        match a {
+            Alignment::Left => unicode_truncate::Alignment::Left,
+            Alignment::Center => unicode_truncate::Alignment::Center,
+            Alignment::Right => unicode_truncate::Alignment::Right,
+        }
+    }
+}