my @test =
  qw( camel aplaca peguin aplaca monkey camel camel );
my %test;

$test{$_}++ for @test;

my @redundant;
while (my($k,$v) = each %test) {
  push @redundant, $k if $v > 1;
}

print "@redundant\n";

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In reply to Re: Finding Redundant values in arrays by wog
in thread Finding Redundant values in arrays by Anonymous Monk

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