Add to your bag of tricks several handy techniques for crafting real-world regular expressions (regexps). Building regexps is a part of the daily life of any administrator. Learning to think in terms of pattern matching, in order to construct successful regexps that return the desired criteria, is a skill that takes both time and practice. more
The standard Perl distribution comes with a debugger, although it's really just another Perl program, perl5db.pl. Since it is just a program, I can use it as the basis for writing my own debuggers to suit my needs, or I can use the interface perl5db.pl provides to configure its actions. That's just the beginning, though. read more...
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