# topfew を Homebrew, MacPorts, Nix でインストール

topfew のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。

## インストール

```sh
sudo av install brew:topfew
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install topfew
```

  証拠: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install topfew
```

  証拠: MacPorts ports tree: textproc/topfew/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- Nix (92%):

```sh
nix profile install nixpkgs#topfew
```

  証拠: nixpkgs package indexes: pkgs/by-name/to/topfew/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

## パッケージ情報

- **パッケージキー:** brew:topfew
- **パッケージマネージャ:** Homebrew
- **パッケージマネージャページ:** <https://formulae.brew.sh/formula/topfew>
- **バージョン:** 2.0.0
- **ソース概要:** Finds the field values which appear most often in a stream of records
- **ホームページ:** <https://github.com/timbray/topfew>
- **リポジトリ:** <https://github.com/timbray/topfew>
- **ライセンス:** GPL-3.0-or-later
- **ソースアーカイブ:** <https://github.com/timbray/topfew/archive/refs/tags/v2.0.0.tar.gz>
- **最終更新:** 2026-07-26T00:51:25+02:00
- **生成日時:** 2026-08-04T22:13:35+00:00

## 実行可能ファイル

- topfew (cli)
- topfew (エイリアス)

## ビルド依存関係

- go

## インストール挙動

- post-install フック: 未定義
- Bottle: 利用可能 対象 arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, monterey, sonoma, ventura, x86_64_linux

## バージョンと鮮度

- ページ生成日: 2026-08-04
- マネージャ版: 2.0.0
- マネージャ更新日: 2026-07-26
- ローカルデータ: OK
- 上流リポジトリ: https://github.com/timbray/topfew
- 検出された最新: v2.0.0 (最新)
## プロジェクトの歴史と使われ方

topfew is a Go command-line utility for finding the most frequent records or field combinations in text streams and files. It packages a familiar Unix analysis pattern into a faster, purpose-built binary.

### プロジェクトの歴史

Tim Bray created Topfew as a utility for counting common values in streams of records, with the README crediting his version 0.1 and later work toward 1.0 to ideas from Dirkjan Ochtman and Simon Fell. The project reached a documented 1.0 release in April 2024, and the current README describes release 2.0.

The design is explicitly close to traditional shell composition: the README states that its result can be duplicated with awk, grep, sed, sort, uniq, and head, but argues that Topfew is for cases where performance matters on large inputs. The examples are package-nerd friendly: Apache logs, quoted fields, grep/vgrep filters, sed-style cleanups, and multi-threaded file processing.

### 採用の歴史

topfew is niche but packaged beyond its source repository. The input package metadata lists Homebrew, MacPorts, and Nix package names, matching its role as a small single-purpose CLI that is useful enough to show up in Unix package collections.

### 使われ方

The basic form is `topfew --fields 1 access_log`, which finds the most common first field in an Apache log. More advanced use combines field selection, regex separators, grep and inverse-grep filters, sed-style transformations, quoted-field parsing, output limits, and worker counts.

### パッケージ好きにとっての重要性

topfew matters to package nerds because it is a performance-oriented replacement for a shell pipeline they already know. It is the sort of small binary people install from Homebrew or Nix when a log-analysis one-liner becomes too slow or too hard to repeat.

### タイムライン

- 2020: Author blog posts describe Topfew as a small utility replacing the `sort | uniq -c | sort -rn | head` pattern.
- 2024: Tim Bray announced Topfew 1.0.
- Current: README describes release 2.0 and documents Homebrew-friendly CLI usage.

### Related projects

- awk, grep, sed, sort, uniq, head, Apache httpd logs, Go runtime.

### ソース

- <https://github.com/timbray/topfew#readme>
- <https://www.tbray.org/ongoing/When/202x/2020/07/01/More-Topfew-Fun>
- <https://www.tbray.org/ongoing/When/202x/2024/04/12/Topfew-release>
- source_facts.package-manager


## セキュリティノート

broad file, network, media, or database tool signal.

- **Geiger リスク:** blue / 中
- broad file, network, media, or database tool signal

## ソースデータベース詳細

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** topfew
- **Version Scheme:** 0
- **Revision:** 0
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable

## 他のパッケージマネージャ記録

- Nix - topfew: normalized package name match | nixpkgs package indexes: pkgs/by-name/to/topfew/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- MacPorts - topfew: normalized package name match | MacPorts ports tree: textproc/topfew/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## 関連リンク

- [Source-control packages](https://pkg.so/ja/source-control-tools/) - Belongs to a source-control command family.
- [Secret-risk packages](https://pkg.so/ja/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals.
- [Terminal utility packages](https://pkg.so/ja/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Text processing packages](https://pkg.so/ja/text-processing-tools/) - Matched text, document, or structured-data processing metadata.
- [go](https://pkg.so/ja/brew/go/) - Build dependency declared by Homebrew.
- [datamash](https://pkg.so/ja/brew/datamash/) - Shares pkgdb curated category or tags: cli, data, statistics, text-processing.
- [apache-flink](https://pkg.so/ja/brew/apache-flink/) - Shares pkgdb curated category or tags: cli, data, stream-processing.
- [benthos](https://pkg.so/ja/brew/benthos/) - Shares pkgdb curated category or tags: cli, data, stream-processing.
- [nifi](https://pkg.so/ja/brew/nifi/) - Shares pkgdb curated category or tags: cli, data, stream-processing.
- [bento](https://pkg.so/ja/brew/bento/) - Shares pkgdb curated category or tags: cli, data, stream-processing.
- [storm](https://pkg.so/ja/brew/storm/) - Shares pkgdb curated category or tags: cli, data, stream-processing.
- [chadwick](https://pkg.so/ja/brew/chadwick/) - Shares pkgdb curated category or tags: cli, data, statistics.
- [ffe](https://pkg.so/ja/brew/ffe/) - Shares pkgdb curated category or tags: cli, data, text-processing.
- [JSONStream](https://pkg.so/ja/npm/jsonstream/) - Local package facts share a topical domain. Shared terms: cli, data, processing, stream, stream-processing.
- [jsonstream-next](https://pkg.so/ja/npm/jsonstream-next/) - Local package facts share a topical domain. Shared terms: cli, data, processing, stream, stream-processing.

## Combined YAML source

View the package source record on GitHub. [combined/topfew.yml](https://github.com/mxcl/pkgdb/blob/main/combined/topfew.yml)


## ソース

- pkg.so package database
- Geiger risk classifier
- package-page enrichment
- curated package history
- package version freshness
- pkgdb category and tag curation
- package relationship graph
- external package-manager database matches
- cross-ecosystem install command graph