# 使用 Homebrew, MacPorts, Nix 安装 topfew

查看 topfew 的安装路径、可执行文件、元数据以及面向 AI 代理工作流的安全说明。

## 安装

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

其他安装命令:

### macOS

- Homebrew (100%):

```sh
brew install topfew
```

  证据: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install topfew
```

  证据: 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
```

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

## 软件包事实

- **软件包键:** brew:topfew
- **软件包管理器:** Homebrew
- **版本:** 2.0.0
- **来源摘要:** Finds the field values which appear most often in a stream of records
- **主页:** <https://github.com/timbray/topfew>
- **仓库:** <https://github.com/timbray/topfew>
- **最后更新:** 2026-07-26T00:51:25+02:00
- **已生成:** 2026-08-03T19:37:03+00:00

## 可执行文件

- topfew (别名)

## 安装行为

- Bottle: 不可用

## 版本和新鲜度

- 页面生成时间: 2026-08-03
- 管理器版本: 2.0.0
## 项目历史与用法

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.

### 项目历史

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.

### 采用历史

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.

### 使用方式

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.

### 为什么软件包爱好者会关心

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.

### 时间线

- 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.

### 来源

- <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


## 安全说明

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

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

## 其他软件包管理器记录

- 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


## Combined YAML source

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


## 来源

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