zsv を Homebrew, MacPorts, Nix, winget でインストール

プロジェクトリンク

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• パッケージマネージャページ

コマンドとエイリアス

• zsv

プロジェクトの歴史

The project was created to fill a gap the authors saw among CSV tools: they wanted a parser that was fast, memory-efficient, portable to WebAssembly, usable as both a library and a standalone CLI, and easier to extend than the tools they had evaluated.

The README explicitly compares zsv's goals with tools such as xsv, tsv-utils, Miller, csvkit, DuckDB, Polars, and other SIMD CSV parsers. The result is both zsvlib and the zsv command, with an extension model based on shared libraries.

採用の歴史

zsv is a newer and more niche package than long-lived CSV staples, but its adoption story is package-manager and benchmarking driven: it ships prebuilt releases, Homebrew/winget-style install paths are documented, and the README centers repeatable performance comparisons against other CSV tooling.

Its appeal is strongest for users who want a small native CLI instead of loading tabular data through a database, Python runtime, or large analytical engine just to count, select, convert, inspect, or clean CSV files.

使われ方

The zsv CLI includes commands such as count, select, sql, flatten, serialize, 2json, 2db, stack, pretty, 2tsv, compare, paste, overwrite, check, jq, and sheet. The sheet command provides an in-console interactive grid viewer with navigation, filtering, and pivot-table-style drill-down.

The parser defaults to real-world CSV behavior closer to spreadsheet programs than strict RFC 4180. It also exposes a SIMD fast parser for standard quoting, a --parallel mode for multi-core parsing, generic-delimited and fixed-width formats, multi-row headers, normalized CSV output, and library APIs for embedding.

パッケージ好きにとっての重要性

zsv is package-nerd significant because it represents the modern CSV-tooling arms race: small native binaries, SIMD acceleration, WebAssembly portability, shell composability, and competition with heavier data engines such as DuckDB and Polars.

It also shows how a package can be both a CLI and a library without forcing users into a language ecosystem. That makes it interesting in package indexes where the same tool may be consumed by shell users, C integrators, and binding authors.

タイムライン

• 2025-2026: README and benchmark docs describe zsv as both zsvlib and an extensible CLI.
• 2026-03-26: Benchmark documentation records v1.4.0-era fast-parser and parallel-parser comparisons.
• 2026: Current README documents SIMD fast parser support on aarch64 NEON, x86-64 AVX2, and x86-64 SSE2.

Related projects

• Related projects include xsv, qsv, xan, Miller, csvkit, DuckDB, Polars, tsv-utils, SQLite, RFC 4180 CSV tooling, and the zsv Ruby binding.

ソース

• https://github.com/liquidaty/zsv
• https://raw.githubusercontent.com/liquidaty/zsv/main/README.md
• https://raw.githubusercontent.com/liquidaty/zsv/main/app/benchmark/README.md