in reply to Perl and Prolog

I have tried quit a few programming languages, but Prolog is the only language I feel as much fun as with Perl. Both languages are perfect to just write down your ideas into code, aka good prototyping languages and good programming languages. If you don't understand Zaxo's or my excitement, give Prolog a try.

...happily coding in Perl and SWI-Prolog.