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Not so much a trick in the debugger, but I like to use it as an "interactive Perl shell", using a command like perl -de 1. Of course, any expression other than -e 1 will work, I'm just used to that one.

For example, if you're wondering whether a particular regex will match, or whether your split will work as you intended, but you don't want to mess around with shell quotes, just:

$ perl -de 1 Loading DB routines from perl5db.pl version 1.25 Editor support available. Enter h or `h h' for help, or `perldoc perldebug' for more help. main::(-e:1): 1 DB<1> $s = '12345' DB<2> x split(/(?<=\d)/, $s) 0 1 1 2 2 3 3 4 4 5 DB<3> q # yup, it works
I believe I first read about this in Effective Perl Programming.


In reply to Re: Neat Debugger tricks by VSarkiss
in thread Neat Debugger tricks by osunderdog

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