in reply to Perl editor idea

The global search function of KOMODO has this in some way.

It can make a hyper-linked list of all places where the word you searched for was found. Id for subroutines.

The macro-function probably allows you to automate this (just select the word and create the list at the push of a button).

CountZero

"If you have four groups working on a compiler, you'll get a 4-pass compiler." - Conway's Law