Perl has quite an active testing community - see http://qa.perl.org/ for an overview and pointers to introductory tutorial information. An overview of some of the testing modules available on CPAN is at http://qa.perl.org/test-modules.html A quick reference card for Perl testing modules is at http://langworth.com/PerlTestCard There are a whole family of Perl Testing tools including: * Test::Simple * Test::More * Test::Inline * Test::Harness * CGI::Test * Test::Cmd * Devel::Cover * HTTP::WebTest which provides PerlWebTest * Test::FIT * LectroTest is an automatic, specification-based testing system for Perl * ... (fill in more here!) Discussion of these occurs on the PerlQaMailingList