#!/bin/perl -w

use GD::Barcode::Code39;
  binmode(STDOUT);
  print "Content-Type: image/png\n\n";
  print GD::Barcode::Code39->new('*CODE39IMG*')->plot->png;
my $oGdBar = GD::Barcode::Code39->new('*123456789;*');
  die $GD::Barcode::Code39::errStr unless($oGdBar);     #Invalid Characters