Options parsing can be difficult at times to say the least. There exist a number of common methods and libraries to assist with options parsing. In this text, a look at writing option and argument parsing homespun and with a little help.
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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