How to Print 2D Barcode in UNIX on Laser Printer?

Bar codes on laser printers are just characters in a special font. How you get them there depends a lot on how you are doing page layour etc. ... i.e., printing to PDF, explicit postscript, some other layout language, etc. If you are just printing with simple display or put unformatted statements, then add in a put unformatted to change the font and print the right characters for the bar code and change it back. Of course, the font needs to be downloaded to the printer first. You may also have to do some repositioning since ABL won't really have any idea in this scenario where you are on the page.
 
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