csvkit を Homebrew でインストール

プロジェクトリンク

• ホームページ

コマンドとエイリアス

• csvclean
• csvcut
• csvformat
• csvgrep
• csvjoin
• csvjson
• csvlook
• csvpy
• csvsort
• csvsql
• csvstack
• csvstat
• in2csv
• sql2csv

プロジェクトの歴史

The upstream README describes csvkit as a suite for working with CSV, inspired by pdftk, GDAL, and the original csvcut tool by Joe Germuska and Aaron Bycoffe. Its changelog begins in 2012 and records steady expansion from conversion and inspection utilities into SQL import/export, GeoJSON, compressed input, richer type inference, and Python-version maintenance.

Version 1.0.0 arrived in December 2016. The 2.0.0 release in May 2024 was the first major release since 1.0.0 and included backwards-incompatible csvclean behavior changes, new checks, and a renewed focus on standard streams and explicit options.

採用の歴史

csvkit became a common package-manager fixture because it provides many small Unix-style commands under one distribution: in2csv, csvcut, csvgrep, csvjoin, csvjson, csvlook, csvsql, csvstack, csvstat, sql2csv, and others. The input package metadata records distribution through Homebrew, Debian, Nix, Arch, and Ubuntu.

The README advertises PyPI download and version badges, while the documentation is hosted on Read the Docs. That combination made csvkit both a Python package and a system-package dependency for users who wanted spreadsheet and database conversion without opening a GUI.

使われ方

Typical use is shell-oriented: convert Excel, JSON, DBF, or SQL data to CSV, select or filter columns, join files, pretty-print tables with csvlook, compute statistics with csvstat, or create/query database tables with csvsql. Its role overlaps with small Unix text tools but handles CSV dialects, quoting, encodings, and tabular types explicitly.

パッケージ好きにとっての重要性

csvkit is package-significant because it bundles a vocabulary of CSV subcommands into one installable toolchain. It is also a useful comparison point for newer single-purpose tools: csview's own README benchmarks against csvkit's csvlook, showing how csvkit remains a reference implementation even when leaner tools optimize a narrower job.

タイムライン

• 2012: Changelog begins at 0.4.3.
• 2012: 0.5.0 adds csvpy, GeoJSON support, Windows scripts, and lower-memory multi-file handling.
• 2014: 0.7.0 merges sql2csv and improves SQL-on-CSV workflows.
• 2016: 1.0.0 is released.
• 2024: 2.0.0 ships as the first major release since 2016.
• 2025: 2.2.0 adds Python 3.14 support and drops Python 3.9.

Related projects

• csvkit is related to agate, which it uses internally, and to the original csvcut, pdftk, and GDAL inspirations named by upstream. It is commonly compared with xsv, Miller, q, and other command-line tabular-data tools.

ソース

• https://csvkit.readthedocs.io/
• https://github.com/wireservice/csvkit#readme
• https://github.com/wireservice/csvkit/blob/master/CHANGELOG.rst