Other starter comments:

  1. When deleting parens from your string, you don't need /i; and I'm guessing you could replace them all before you split, like this? 
    s/[()]//g;
@t=split(/\t/,$_);

    [download]
  2. Don't you want to reset $count? The easiest way to do that would be to put my $count; immediately below while (<IN>).
  3. You could simplify your primary print statement like this: 
    my $yn = ($count ge 3) ? 'Y' : 'N';
print OUT join("\t", @t[1..4], ${yn}, $t[6..8]), "\n";

    [download]
    But are you overlooking the first element, $t[0]?

In reply to Re: Compare Arrays with a Count of Matches by hbm
in thread Compare Arrays with a Count of Matches by de2425

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