‘barcode‘ is a utility in Debian GNU/Linux distribution used for generating common 1-D barcode: EAN-13, EAN-8, UPC, ISBN, code93, code128 & codabar.
barcode outputs file in postscript format which can be converted to PDF with the ‘ps2pdf‘ utility
1. Outputs isbn barcode and converts it to PDF file
$ barcode -o barcode.ps -e isbn $ ps2pdf barcode.ps
2. Outputs EAN-13 barcode
$ barcode -o barcode-ean.ps -e ean
If you are looking for a tool that could generate QR Code, then you can try ‘qrencode‘
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