CUBEHASH(1)

okay so you're looking at CUBEHASH(1) from the redo package, and honestly? iconic little checksum utility 💅✨

✨ NAME ✨

cubehash — checksum utility 🎀

🌸 SYNOPSIS 🌸

cubehash {filenames...}

💖 DESCRIPTION 💖

cubehash prints the CubeHash content hash values of each file named. These content hash values are used by redo-ifchange, and the output format is in the form used internally by redo to record pre-requisites. no cap, it’s giving very “redo internals” 💅

Here’s the line-type lore, bestie — each one starts with a little letter and tells you what kind of file it’s dealing with:

• A line beginning with s denotes a special file and simply records its last modification timestamp, as a numeric count of seconds encoded in hexadecimal. yes, hexadecimal, slay 🔥
• A line beginning with d denotes a directory file and likewise simply records its last modification timestamp. directory vibes, timestamp only 🫶
• A line beginning with l denotes a symbolic link and records its last modification timestamp, as afore, as well as the CubeHash of the link name. link name gets hashed too, iykyk 🦋
• A line beginning with f denotes a regular file and records its last modification timestamp, as afore, as well as the CubeHash of the file contents. regular file? contents hash included, periodt 💜

👑 AUTHOR 👑

Jonathan de Boyne Pollard

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okay that’s the whole page, bestie — v1.0, dated 1980-01-01, and it’s the CUBEHASH(1) manual from the redo package. mwah 💋💅