What is "perl"

Perl is a stable, cross-platform programming language, used in mission-critical applications in all sectors, and its use in web development of all kinds is highlighted. Allows the creation of programs in UNIX, MSDOS, Windows, Macintosh, OS/2 and other operating systems. In addition to being widely used for form programming www and in administrative tasks of UNIX systems - where the language was born and developed - it has very efficient functions for text manipulation.

source: http://pt.wikipedia.org/wiki/Perl

References

http://perl.org.br/

http://www.perl.org/