# 使用 Homebrew, MacPorts 安装 yydecode

查看 yydecode 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:yydecode
```

其他安装命令:

### macOS

- Homebrew (100%):

```sh
brew install yydecode
```

  证据: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install yydecode
```

  证据: MacPorts ports tree: sysutils/yydecode/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

## 软件包事实

- **软件包键:** brew:yydecode
- **软件包管理器:** Homebrew
- **软件包管理器页面:** <https://formulae.brew.sh/formula/yydecode>
- **版本:** 0.2.10
- **来源摘要:** Decode yEnc archives
- **主页:** <https://yydecode.sourceforge.net/>
- **上游文档:** <https://yydecode.sourceforge.net/>
- **许可证:** GPL-2.0-or-later
- **源码归档:** <https://downloads.sourceforge.net/project/yydecode/yydecode/0.2.10/yydecode-0.2.10.tar.gz>
- **最后更新:** 2026-08-02T12:51:50+01:00
- **已生成:** 2026-08-04T22:13:35+00:00

## 可执行文件

- yydecode (cli)
- yydecode (别名)

## 安装行为

- post-install 钩子: 未定义
- Bottle: 可用 于 arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura

## 版本和新鲜度

- 页面生成时间: 2026-08-04
- 管理器版本: 0.2.10
- 管理器更新时间: 2026-08-02
- 本地数据: OK
- 上游仓库: https://yydecode.sourceforge.net/
- 信息: Release/tag comparison is only available for GitHub repositories.
## 项目历史与用法

yydecode is a small C decoder for yEnc-encoded binaries on Usenet. Its homepage describes it as a portable decoder that can behave like the older uudecode utility, making it a classic example of a single-purpose command-line tool created for the binary-newsgroup era.

### 项目历史

The SourceForge project was registered in February 2002, during the period when yEnc was spreading through Usenet binary postings. The homepage's tone is very much of that moment: it calls yEnc newly widespread, explains the yydecode name as a play on uudecode, and points users to CVS for bleeding-edge development.

The stable version documented on the homepage is 0.2.10, released on 2003-04-15. SourceForge later recorded project activity through 2013, but the public history is essentially that of a compact early-2000s utility that solved one encoding problem and then mostly stabilized.

### 采用历史

The homepage documents packaging for Fink on Mac OS X, Debian unstable, RPM-based distributions, Win32 binaries, and POSIX source builds. That spread is the important adoption story: yydecode was small, portable, and useful enough to be wrapped for the major Unix-like package channels used by Usenet users.

SourceForge classifies the project under Usenet News, File Sharing, and Archiving, which matches its practical audience: people retrieving multi-part binary postings and needing a decoder that understood the format in their newsreader or shell pipeline.

### 使用方式

yydecode is used like uudecode: feed it encoded Usenet binary data and let it recover the original file. The homepage says it aims to work as a direct drop-in replacement in normal circumstances, which made it easy to insert into existing scripts and habits.

Its niche matters when dealing with historical Usenet archives, old binary-posting workflows, or systems that still encounter yEnc payloads. For modern users it is less a daily media tool than a compatibility decoder.

### 为什么软件包爱好者会关心

yydecode is a package-manager fossil from the Usenet binary ecosystem. It captures a moment when new encodings appeared in distributed communities, and tiny decoders had to be packaged quickly for Mac, Linux, Windows, and source-build users.

It also illustrates why old archive/media packages remain useful: not because the workflow is fashionable, but because old data keeps old formats alive.

### 时间线

- 2002-02-15: SourceForge project is registered.
- 2003-04-15: Homepage lists yydecode 0.2.10 as the stable release.
- 2003: Homepage documents Fink, Debian, RPM, Win32, and POSIX source distribution paths.
- 2013-03-22: SourceForge project summary records the last update date.

### Related projects

- uudecode is the older Unix decoder whose behavior yydecode intentionally resembles.
- yEnc is the Usenet binary encoding format yydecode supports.
- parchive and yencode are adjacent SourceForge-era tools for binary Usenet posting, decoding, and recovery workflows.

### 来源

- <https://sourceforge.net/p/yydecode/code>
- <https://sourceforge.net/projects/yydecode/>
- <https://yydecode.sourceforge.net/>


## 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

## 源数据库详情

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** yydecode
- **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

## 其他软件包管理器记录

- MacPorts - yydecode: normalized package name match | MacPorts ports tree: sysutils/yydecode/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## 相关链接

- [Secret-risk packages](https://pkg.so/zh-hans/secret-risk-packages/) - Has protected-tool coverage, approval-gate, or non-low Geiger security signals.
- [Terminal utility packages](https://pkg.so/zh-hans/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Networking and protocol packages](https://pkg.so/zh-hans/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [Media and graphics packages](https://pkg.so/zh-hans/media-graphics-tools/) - Matched media, image, audio, video, or graphics metadata.
- [dav1d](https://pkg.so/zh-hans/brew/dav1d/) - Shares pkgdb curated category or tags: cli, decoder, media.
- [jpeg-xl](https://pkg.so/zh-hans/brew/jpeg-xl/) - Shares pkgdb curated category or tags: cli, decoder, media.
- [mpg123](https://pkg.so/zh-hans/brew/mpg123/) - Shares pkgdb curated category or tags: cli, decoder, media.
- [libheif](https://pkg.so/zh-hans/brew/libheif/) - Shares pkgdb curated category or tags: cli, decoder, media.
- [libavif](https://pkg.so/zh-hans/brew/libavif/) - Shares pkgdb curated category or tags: cli, decoder, media.
- [jbig2dec](https://pkg.so/zh-hans/brew/jbig2dec/) - Shares pkgdb curated category or tags: cli, decoder, media.
- [musepack](https://pkg.so/zh-hans/brew/musepack/) - Shares pkgdb curated category or tags: cli, decoder, media.
- [djvulibre](https://pkg.so/zh-hans/brew/djvulibre/) - Shares pkgdb curated category or tags: cli, decoder, media.
- [libmpeg2](https://pkg.so/zh-hans/brew/libmpeg2/) - Local package facts share a topical domain. Shared terms: cli, decode, decoder, media.
- [libopenmpt](https://pkg.so/zh-hans/brew/libopenmpt/) - Local package facts share a topical domain. Shared terms: cli, decode, decoder, media.

## Combined YAML source

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


## 来源

- 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