Perl may seem foreign if you are new to it - Learning Perl as an introduction, and Perl Cookbook are 2 good sources on Perl.

Don't get discouraged as I am now trying to learn a new GUI, Xojo which uses a form of the Visual Basic language and to learn all the new ways of string matching, working with arrays and converting numbers to printable strings is challenging. I will probably need to get a book that explains it all. Just doing the beginners' tutorial is difficult.