http://qs321.pair.com?node_id=189019


in reply to Re: Unique array w/o repeated elements and still keep the original order!
in thread Unique array w/o repeated elements and still keep the original order!

i'm assuming it was just a typo, but i think you meant: 
foreach my $instance (@lines2)
{
  print OUTF $instance unless $hsh{$instance}++;
}

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as written, it will only print the duplicates.

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