Here's something that I use in most of my scripts:

Assuming the scriptname is called file_parse.pl, and you're trying to pass it single file only: 

if ($#ARGV != 0) {
   print "Usage: file_parse.pl [filename] \n";
   exit(1);
}

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Trek

In reply to Re: Testing <> for undefined by TrekNoid
in thread Testing <> for undefined by kayak9630

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