in reply to Why are this pattern match failing ?
Did you mean...?
if ($d[0] =~ /NA/){or
if ($d[0] eq "NA"){Since pattern matching defaults to the $_ variable, what you wrote is interpreted as if($d[0] eq ($_=~/NA/). Probably $_ is undefined, and that is causing the Use of uninitialized value message.
citromatik
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