使用 Homebrew, MacPorts, Nix 安装 base91

项目链接

• 主页

命令和别名

• b91dec
• b91enc
• base91

项目历史

The SourceForge project page describes basE91 as an advanced method for encoding binary data as ASCII characters, similar to uuencode or Base64 but more efficient. It reports overhead of at most 23 percent and as low as 14 percent depending on input.

The SourceForge files page identifies the latest 0.6.0 Java archive release in November 2006, and the project page shows project activity dating to October 2006. The project's official website remains base91.sourceforge.net.

采用历史

basE91 remains niche, but the input package metadata lists Homebrew, MacPorts, and Nix packaging, and the SourceForge project records tens of thousands of file downloads over its lifetime. Its adoption is mostly among developers who specifically need denser ASCII armoring than Base64 rather than users of general-purpose OS tooling.

The project page classifies it under data formats, terminals, email, algorithms, and internet topics, reflecting the encoding's intended transport and storage use cases.

使用方式

The packaged CLI exposes base91 plus b91enc and b91dec executables according to the Homebrew input metadata. It is used as an encoder/decoder filter for files or streams where ASCII-safe text output is required.

There is no documented configuration file or credentials store; the tool is a stateless encoder/decoder.

为什么软件包爱好者会关心

basE91 is significant as one of the better-known post-Base64 ASCII-armoring experiments. It trades simplicity and universal support for denser output, which makes it a useful reference point in discussions of binary-to-text encoding efficiency.

Its package-manager presence is also a classic long-tail case: a 2006 SourceForge utility still appears in modern package indexes because encoding tools age slowly when their formats are stable.

时间线

• 2006: SourceForge project activity and project metadata date basE91 to October 2006.
• 2006: Latest SourceForge release path records version 0.6.0 in November 2006.
• 2020s: Input package metadata shows basE91 available through Homebrew, MacPorts, and Nix.

Related projects

• Base64 and uuencode are the official comparison points named by the SourceForge description.
• Other ASCII-armoring and binary-to-text encodings, including Ascii85/Base85, are conceptually adjacent even though they are separate formats.
• SourceForge hosts the original project site and release files for basE91.

来源

• https://base91.sourceforge.net/
• https://sourceforge.net/projects/base91
• https://sourceforge.net/projects/base91/files/
• source_facts.package-manager