in reply to Visualizing the skeleton of a perl code
to see how it has been written and learn from it?
That is a bit like learning by osmosis, its easier to learn by reading a book
xref graph site:perlmonks.org
sub_graph.pl: perl call graph generator
Generate a Graph-ical call tree for your *.pm perl modules
Perl diagram/chart generator
Analyzing large Perl code base.
Documenting Perl Scripts
Auto documentation
Becoming familiar with a too-big codebase?
http://drdobbs.com/architecture-and-design/184404560# Creating Perl Code Graphs | Dr Dobb's
Devel::GraphVizProf
graphvizprof site:perlmonks.org
Reverse Engineering Perl Tool?
Project Management: Graph & Diagram for Visualizing & Analyzing Structure with GraphViz
GraphViz::ISA
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