I use Devel::ptkdb (Tk debugger). It works for CGI, command line and even Catalyst applications. In case of Catalyst you have to load some modules by hand (e. g. the controller) with 
perl -d:ptkdb -MMyApp::Controller::Root script/myapp_server_debug.pl

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In reply to Re: What module do you like for debugging CGI scripts by uwevoelker
in thread What module do you like for debugging CGI scripts by metaperl

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