Acme-Valid use Acme::Valid and your script will be valid Perl. Additionally, it will print the right answer. INSTALLATION To install this module, run the following commands: perl Makefile.PL make make test make install SUPPORT AND DOCUMENTATION After installing, you can find documentation for this module with the perldoc command. perldoc Acme::Valid You can also look for information at: Search CPAN http://search.cpan.org/dist/Acme-Valid CPAN Request Tracker: http://rt.cpan.org/NoAuth/Bugs.html?Dist=Acme-Valid AnnoCPAN, annotated CPAN documentation: http://annocpan.org/dist/Acme-Valid CPAN Ratings: http://cpanratings.perl.org/d/Acme-Valid COPYRIGHT AND LICENCE Copyright (C) 2006 Mirko Westermeier This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.