PERL scripts (Very useful)

http://homepages.ulb.ac.be/~dgonze/SCRIPTS/scripts.html

A good How to blog from an Indian Techie

http://www.labnol.org/

Quick start for PERL

http://www.doulos.com/knowhow/perl/quick_start/

Perl is an ideal language for string operations and data analysis.

Here, i found a good primer for quick start for PERL