I recommend using the uniq function from List::MoreUtils. ... If you can't or don't want to use this module ...

Anonymonk: ... just take a look at the code in it to see how it works; i.e., Steal This Code!

In reply to Re^2: unique elements in a Hash of Arrays? by AnomalousMonk
in thread unique elements in a Hash of Arrays? by Anonymous Monk

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