Tips and tricks for the Unix shell environment. Shell examples assume a non-csh-based shell, such as bash or zsh. Consult the manual for the commands in question if you see errors, as tools vary depending on the flavor of Unix.
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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