http://www.perlmonks.org?node_id=467171


in reply to Becoming familiar with a too-big codebase?

I also work on a big code base (which is in mod_perl) and to watch the CGI, I use Data::Dumper and Enabling GUI Debugging under Mod_Perl , The debugging helps me watch each line and what is the actual result that is stored in variables and the different subroutines the program accesses
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