Although I like the Devel::Trace module that others have suggested, I sometimes find it too verbose. Last week I used Sub::WrapPackages to log subroutine calls within certain packages, as well as their input and output. You could also use Aspect's before and after hooks to provide similar functionality.

In reply to Re: Printing source code while running by tomhukins
in thread Printing source code while running by jkao

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