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UPC-A Barcode Image Generator Program "upc", by Tyler Delgadillo
This program converts an 11-digit number into a TGA image file representing a UPC-A barcode.
Invoke at the command line. This program expects an argument in the form of an 11-digit number.
You may include spaces to delimit the number system digit, manufacturer code, and product code.
Additionally, the check digit is calculated automatically.
Command Line Options:
-o : specify output filename, defaults to "img.tga"
-n : include human-readable numeric digits in the image
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