There are modules available on CPAN to traverse complex data structures. One that I'm aware of is nothingmuch's Data::Visitor::Callback, but I'm sure there are more...

Data::Traverse looks like it fits the bill, too.

In reply to Re^4: Help with Hash of hashes, is there a better way? by bart
in thread Help with Hash of hashes, is there a better way? by TeraMarv

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