qrencode
QR Code generator. Supports PNG and EPS.
TLDR
Convert a string to a QR code and save to an output file
$ qrencode -o [path/to/output_file.png] [string]
Convert an input file to a QR code and save to an output file
$ qrencode -o [path/to/output_file.png] -r [path/to/input_file]
Convert a string to a QR code and print it in terminal
$ qrencode -t ansiutf8 [string]
Convert input from pipe to a QR code and print it in terminal
$ echo [string] | qrencode -t ansiutf8
