libcompress-raw-bzip2-perl 2.021-1 (armel binary) in ubuntu lucid

 This package provides a low-level interface to bzip2 compression library for
 perl.
 .
 Usually, you don't need to use this directly; modules like
 IO::Compress::Bzip2 in the libio-compress-bzip2-perl package provide a nice,
 more high-level interface for your in your own perl programs.