I hate testing for the same condition twice in a row, as you did. 
while ( ... ) {
   my $fh;
   if (!open($fh, '<', $inputFile)) {
      warn( "Unable to open analysis file $inputFile: $!\n" );
      next;
   }
 
   ...
}

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In reply to Re^3: how to prevent open from dying by ikegami
in thread how to prevent open from dying by Anonymous Monk

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