unpack (almost) everything with one command

 unp is a small perl script which makes extraction of any archive files
 a bit easier. It support several compressors and archiver programs,
 chooses the right one(s) automatically and extracts one or more files
 in one go.
 .
 You may also want to install some non-free packages like "unace-nonfree",
 "unrar-nonfree" and "lha" to extract archives of these types.