# 使用 Homebrew 安装 tal

查看 tal 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:tal
```

其他安装命令:

### macOS

- Homebrew (100%):

```sh
brew install tal
```

  证据: local Homebrew formula metadata

## 软件包事实

- **软件包键:** brew:tal
- **软件包管理器:** Homebrew
- **版本:** 1.9
- **来源摘要:** Align line endings if they match
- **主页:** <https://thomasjensen.com/software/tal/>
- **已生成:** 2026-08-03T19:37:03+00:00

## 可执行文件

- tal (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: 1.9
## 项目历史与用法

tal is the Trailer Alignment Filter, a small C command-line filter by Thomas Jensen. Its official page says it reads lines from standard input, detects common trailing characters, and aligns those trailers so they begin and end on the same text columns.

### 项目历史

The official tal page was created on 1997-05-04 and last updated on 1999-06-17 for version 1.9. It distributes source archives, DOS and Win32 ports, and documents Unix builds for systems including AIX, HP-UX, IRIX, Linux, OSF/1, SunOS 4, and SunOS 5.

tal belongs to the late-1990s Unix filter tradition: one small program, standard input to standard output, a man page, and editor integration through shell filters. The page explicitly calls out Vim visual-mode mappings for running selected lines through `tal`.

### 采用历史

Official sources do not show broad mainstream adoption, but they do show portability work and user requests around formatting tables and more complex trailer selection. Homebrew packaging preserves the tool for modern macOS users despite its older upstream page.

### 使用方式

Typical usage is to align closing comment tags, backslashes in C macro definitions, dots in index-like text, or status markers in a to-do list. The examples page demonstrates options for padding, target columns, case-insensitive matching, maximum line length, and trailer length.

### 为什么软件包爱好者会关心

Package nerds care about tal as a tiny, durable Unix text filter: public-domain style licensing, basic C portability, editor-friendly behavior, and a feature set narrow enough to remain useful decades later. It is the sort of small tool package managers keep alive because it composes well with editors and pipelines.

### 时间线

- 1997-05-04: Official tal page created.
- 1997-11-30: Examples page created.
- 1999-05-25: Examples page last updated.
- 1999-06-17: Main page last updated for tal 1.9.

### Related projects

- The official page points to Vim as a natural editor integration and to boxes, Thomas Jensen's related box-drawing filter.

### 来源

- <https://thomasjensen.com/software/tal/>
- <https://thomasjensen.com/software/tal/examples.html>


## 安全说明

narrow executable package without higher-risk signals.

- **Geiger 风险:** 绿色 / 低
- narrow executable package without higher-risk signals


## Combined YAML source

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


## 来源

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