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

In reply to Re: Why are this pattern match failing ? by citromatik
in thread Why are this pattern match failing ? by jantelar

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