Binary package “perl” in ubuntu oneiric

Larry Wall's Practical Extraction and Report Language

 An interpreted scripting language, known among some as "Unix's Swiss
 Army Chainsaw".
 Perl is optimised for scanning arbitrary text files and system
 administration. It has built-in extended regular expression matching
 and replacement, a data-flow mechanism to improve security with
 setuid scripts and is extensible via modules that can interface to C