Perl's style of object orientation is often maligned, but its sheer simplicity allows the advanced Perl programmer to extend Perl's behavior in interestingand sometimes startlingways. Because all the details of Perl's OO model happen at runtime and in the openusing an ordinary package variable (@INC) to handle inheritance, for instance, or using the symbol tables for method dispatchwe can fiddle with almost every aspect of it.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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