Hi guys, hope you can help on this one. I have a hash which is filled from lines in a file, after a split of the line a hash is filled defined as  $time{$recordNumber}. Later on in the script I want to check if  $time{$recordNumber} exists, and if not enter the if statement. I tried using 
 if ($time{$recordNumber} == undef) #147   
        {
                $time{$recordNumber} = 10000;
        }

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but got  Use of uninitialized value at ././monitor-dataset-age line 147 It's not no, because it's not there...but I'm testing to see if it's not there!? Any help much appreciated, Many thanks, Kim

In reply to hash undef? by Anonymous Monk

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