Perl Scripting And Developing Blog

7.3.2 ptkdb ptkdb, developed by Andrew E. Page, is a free, Tk-based, graphical interface to the built-in perl debugger, with a clean and intuitive design. Obtain ptkdbfrom http://search.cpan.org/search?dist=Devel-ptkdb. It also requires PerlTk by Nick Ing- Simmons (http://search.cpan.org/search?dist=Bundle-Tk). ptkdbis invoked as a debugger plugin, so to debug myprog.pl, type perl -d:ptkdb myprog.pl There is little we need to add to the description of ptkdb. In Figure 7-2, we see that the current line is highlighted, nonbreakable line numbers are struck through, and the tabbed panes on the right are for inspecting expressions, subroutines, and breakpoints. The appearance of the interface can be extensively customized. Figure 7-2. The ptkdb interface One key advantage of ptkdbis that it can be used to debug a Perl program used in a CGI process. We give examples of this in Chapter 13. 7.3.3 Emacs
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