unp mit Homebrew, apt, MacPorts, Nix, pacman installieren

Projektlinks

• Homepage
• Repository
• Upstream-Dokumentation
• Paketmanager-Seite

Befehle und Aliase

• ucat
• unp

Projektgeschichte

The current script credits the original `unp` to Andre Karwath in 1997 and the modern 1.x/2.x UI to Eduard Bloch from 2000-2009. Debian's changelog records an initial Debian release as `unp` 0.0.1-1 on 2000-03-09 and a 1.0.0 upstream release on 2000-06-04.

The package evolved as archive formats and backend tools changed. The changelog records additions for CAB, ACE, TNEF, uuencode, MIME, hqx/binhex, afio, lzop, unzoo, ppmd, 7z, jar/war/ear, lzma, xz, zstd, InnoSetup, Nullsoft/7zip-based self-extracting archives, ISO images, and experimental InstallShield cabinet support through unshield.

Adoptionsgeschichte

The supplied package metadata shows `unp` packaged across Homebrew, Debian, Ubuntu, MacPorts, Nix, Arch/pacman, and other Unix-like package sets. Its long Debian changelog also shows the kind of maintenance trail common to small utility packages: dependency changes, backend recommendations, shell-completion fixes, translations, security quoting fixes, and compatibility with changing archive tools.

Wie es verwendet wird

The script's help text presents the normal workflow: pass one or more compressed files to `unp`, optionally use helper modes such as `-u` or `-U` to unpack into a directory, pass backend arguments after `--`, list supported formats with `-s`, or use `--dry-run` to print the calculated commands.

`ucat` is the related streaming mode: it uncompresses multiple file contents to standard output, acting as a wrapper around zcat, bzcat, and similar tools.

Warum Paket-Nerds sich dafür interessieren

unp is package-nerd comfort food: a tiny wrapper whose entire point is to hide the messy zoo of archive commands behind one predictable verb. It matters less as a new compression implementation and more as glue over the installed ecosystem of unpackers, recommendations, alternatives, shell completions, and distribution policy.

The 2024 2.0 changelog entry is still about the same practical niche: switching the default recommendation toward 7zip, adding dry-run mode, generating bash completion at build time, fixing extension mappings, and adding experimental InstallShield handling via unshield.

Zeitleiste

• 1997: Current source credits Andre Karwath's original `unp`.
• 2000: Debian changelog records `unp` 0.0.1-1 and 1.0.0-1.
• 2004: `ucat` is added as a zcat/bzcat-style wrapper.
• 2010: 2.0 preview is described as a rewrite from scratch with `ucat` multicall use and bash completion.
• 2023: 2.0 pre-release adds zstd, InnoSetup, Nullsoft installer, ISO, and 7zip-based support.
• 2024: 2.0 adds dry-run mode, 7zip recommendation changes, completion generation, and experimental InstallShield cabinet support via unshield.

Related projects

• unp delegates to many archive utilities rather than replacing them. Related tools and formats named in the upstream changelog and script include tar, gzip, bzip2, xz, lzma, zstd, 7zip, unrar/lhasa, cabextract, unshield, InnoSetup extractors, and `ucat` as its companion command.

Quellen

• https://manpages.debian.org/unstable/unp/unp.1
• https://salsa.debian.org/blade/unp/-/raw/master/debian/changelog
• https://salsa.debian.org/blade/unp/-/raw/master/unp
• source_facts.package-manager