randanarana

Rename files in a directory to random alphanumeric names, keeping their extensions. A Rust reimplementation of an existing bash script, with tests, CI, and the same CLI and behavior. Published on crates.io.

Features

• Rename: Files get random a-zA-Z0-9 names, extensions are preserved
• Undo: Restore the last rename run via a hidden manifest (.randanarana-undo.json)
• Dry-run: Preview changes with -n without touching anything
• Recursive & Interactive: Process subdirectories with -r, confirm each item with -i
• Options: Custom length, prefix/suffix, force mode, dirs rename with -D
• Prebuilt binaries: Available for Linux, macOS and Windows on GitHub Releases

Tech Stack

• Rust (edition 2024)
• clap (CLI parsing)
• serde / serde_json (manifest)
• anyhow (error handling)
• rand (name generation)
• assert_cmd + tempfile (integration tests)
• CI with GitHub Actions, release-plz and cargo-dist