If written to be cross-platform, Perl scripts are easily portable. I develop under WinNT and post to Linux and FreeBSD servers regularly. There are a few things to keep in mind when uploading (ASC uploads) but otherwise no problems with the different OSs.
I'd suggest trying to use perl from the command-line just to be sure you have it setup properly. Can you get a response from 'perl -V'? Try to run a perl script via 'perl script.pl' (substitute the name of your script!). Once you've confirmed that perl is installed, then begin to debug whatever tool you are using.
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Want more info? How to link
or How to display code and escape characters
are good places to start.