QR en GNU/linux - Ubuntu

Para obtener la información de una imagen con código QR, instalar Zbar.

$ sudo apt-get install zbar-tools

Guardar la imagen con el código QR en un archivo como qr_image.png, y luego obtener la información con:

$ zbarimg qr_image.png
QR-Code:http://aca_viene_el_resultado.html
scanned 1 barcode symbols from 1 images in 0.12 seconds

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