Pack (Unix)
From Just Solve the File Format Problem
(Difference between revisions)
(→Software) |
(Added sample files) |
||
| Line 26: | Line 26: | ||
* illumos: [http://src.illumos.org/source/xref/illumos-gate/usr/src/cmd/pack/ pack], [http://src.illumos.org/source/xref/illumos-gate/usr/src/cmd/unpack/ unpack] - Source code | * illumos: [http://src.illumos.org/source/xref/illumos-gate/usr/src/cmd/pack/ pack], [http://src.illumos.org/source/xref/illumos-gate/usr/src/cmd/unpack/ unpack] - Source code | ||
* https://github.com/koalaman/pack - A modern implementation in Haskell (write-only) | * https://github.com/koalaman/pack - A modern implementation in Haskell (write-only) | ||
| + | |||
| + | == Sample files == | ||
| + | * https://telparia.com/fileFormatSamples/archive/pack/ | ||
== References == | == References == | ||
Revision as of 17:01, 15 October 2023
pack is a command in Unix-style operating systems to compress files using Huffman coding. Files normally have a lowercase .z extension, appended to their names including any other extension they may already have in their uncompressed versions, e.g., file.txt.z.
Contents |
See also
Identification
Files begin with bytes 0x1F 0x1E.
The gzip source code mentions an "old pack format" that begins with 0x1F 0x1F.
See also compress (Unix)#The 0x1f compression family.
Software
- GNU gzip [Note: Broken in v1.6 - 1.8]
- Ancient
- Deark
- Tenth Edition of Unix → v10src.tar.bz2 → cmd/pack/ - Source code
- illumos: pack, unpack - Source code
- https://github.com/koalaman/pack - A modern implementation in Haskell (write-only)
