This is the third in O'Reilly's series of landmark Perl tutorials, which includes Learning Perl, the bestselling introduction to the basics of Perl syntax, and ... » 

This is the third in O'Reilly's series of landmark Perl tutorials, which includes Learning Perl, the bestselling introduction to the basics of Perl syntax, and Intermediate Perl, the indispensable guide to creating re-usable Perl software. By conveying Perl's special models and programming idioms, Mastering Perl pulls it all together to help you bend Perl to your will.

The book explains how to: Use advanced regular expresions, including global matches, lookarounds, readable regexes, and regex debugging;Avoid common programming problems with secure programming techniques; Profile and benchmark Perl so that you know where to focus your improvements;- Wrangle Perl code to make it more presentable and readable; See how Perl keeps track of package variables and how you can use that for some powerful tricks; Define subroutines on the fly and turn the tables on normal procedural programming; Modify and jury-rig modules to fix code without editing the original source; - Let your users configure your programs without touching the code; Detect errors Perl doen't report and how to tell users about them; Get your Perl program to talk back to you with Log4perl; Store data for later use in another program or a later run of the same program, and how to send data over a network; Write programs as modules to get the benefit of Perl's distribution and testing tools. «