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This may be a long winded way of doing it, but what about this?

1.Dump all your arrays in to a hash to get frequency of the letters

2. Rebuild array comparing original array element and hash key, and checking if value is < 1 then that element is undef.

Unless I've misunderstood what you want, doesn't that do what you're after?

Revolution. Today, 3 O'Clock. Meet behind the monkey bars.

If quizzes are quizzical, what are tests?


In reply to Re: Reconciling multiple lists (similar to "merge" in CVS?) by Popcorn Dave
in thread Reconciling multiple lists (similar to "merge" in CVS?) by japhy

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