The immediate problem is that your RDup routine is returning a new array that you're not saving. IOW do something like this:

@unique = RDup(@unique);

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There are a lot of ways you can improve removing duplicates, though, and there are several suggestions in the Perl FAQ list. Try perldoc -q duplicate on your machine for some suggestions.

Do not rebuke them with harsh words ... but rather lead them gently - with URLs - so that they may learn wisdom.

In reply to Re: removing duplicates entries from an array by VSarkiss
in thread removing duplicates entries from an array by JFarr

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