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book for pearl
it's perl damn it !! and here is one good for begginers http://www.sthomas.net/roberts-perl-tutorial.htm. Here is basically everything you need after you 've read this tutorial www.perlmonks.org, and don't forget that in perl everything is documented, so use the documentation as well !
Try some of the sites listed here : http://www.programmingtutorials.com/perl.aspx
There's 2 good perl books i know of..
The camel book..
http://oreilly.com/catalog/9780596000271/
which gives you a basic introduction to the language, and..
The llama book..
http://oreilly.com/catalog/9780596001322/
which is a great reference book and has plenty of worked examples.
I really recommend the llama book.