and if there's dodgy input as indicated by someone, e.g. Group-One is equivalent to Group One and GroupOne...then just run it thru "sed" with a regex to make them all conform to a desired one form, before the de-dupe.
the hardest line to type correctly is: stty erase ^H

In reply to Re^2: Remove duplicate entries by aquarium
in thread Remove duplicate entries by PyrexKidd

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