Yes, you're quite right. I think I got map in my head for some reason and ran with it! Anyway, fortunately both will work, and the use of %seen is the thing Dru probably needs. Roy's grep example helps make that clearer.
rjbs

In reply to Re^3: Remove Duplicates from an Array of Arrays by rjbs
in thread Remove Duplicates from an Array of Arrays by Dru

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