Newbie - twitter monitor

Hi

Im new to arduino and just getting to grips with it.

I'm wanting to do this project however im stuck with the perl code which goes with it.

http://www.mcqn.net/mcfilter/archives/computers/barcamp_liverpool_getting_started_with_arduino_how_to_build_a_twittermonitoring_alertuino.html

this is what im trying to build.

Not sure where the perl coding goes.

thanks

https://code.google.com/p/mcqn/source/browse/#svn/trunk/Alertuino