tar-file
This project is a fork of Nathan Froyd's archive library. Much code remains, but the non-portable bits have been stripped, better support for multiple archive types (and autodetection) has been added, better blocking support added (tar readers/writers are supposed to read/write in multiples of 512 bytes), cpio support removed, and a test suite added, along with other miscellaneous fixes and improvements.

One major user visible difference between this library and the original archive is that there is no need to discard entries when you are finished with them and support has been added for seeking within a stream (using FILE-POSITION under the hood). This means you can do something like iterate over all entries in one go and then get a stream containing the contents of an arbitrary entry.

Depends on: alexandria, babel, trivial-gray-streams

Repository: https://gitlab.common-lisp.net/cl-tar/cl-tar-file

License: BSD 3-Clause

file format