A quick search of CPAN for the word 'graph' shows several modules geared towards graphs, including GD::Graph.

A good suggestion would be to search CPAN before you ask your fellow monks to look it up for you.

You might want to also read:

Before You Post...

On asking for help

How (Not) To Ask A Question

These and many more excellent documents are available in the Tutorials section of the Monastary.

grep

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