Wouldn't the code be more readable/maintainable/etc with List::Util::uniq():
    my @newb = uniq grep $_ > 850, @b, @c, @d;
Results are the same per Test::More::is_deeply(). (In older Perls, see List::MoreUtils::uniq.)

Give a man a fish:  <%-{-{-{-<

In reply to Re^3: iterating through array and saving matches to new array by AnomalousMonk
in thread iterating through array and saving matches to new array by jazzfan

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