README.md

QR code generator for text terminals

• Copyright (C) 2014-2017 SATOH Fumiyasu @ OSS Technology Corp., Japan
• License: MIT License
• Development home: https://github.com/fumiyas/qrc
• Author's home: https://fumiyas.github.io/

What's this?

This program generates QR codes in ASCII art or Sixel format for text terminals, e.g., console, xterm (with -ti 340 option to enable Sixel), mlterm, Windows command prompt and so on.

Use case

You can transfer data to smartphones with a QR code reader application from your terminal.

Usage

qrc program takes a text from command-line argument or standard input (if no command-line argument) and encodes it to a QR code.

$ qrc --help
Usage: qrc [OPTIONS] [TEXT]

Options:
  -h, --help
    Show this help message
  -i, --invert
    Invert color

Text examples:
  http://www.example.jp/
  MAILTO:foobar@example.jp
  WIFI:S:myssid;T:WPA;P:pass123;;
$ qrc https://fumiyas.github.io/
...
$ qrc 'WIFI:S:Our-ssid;T:WPA;P:secret;;'
...

You can get a QR code in Sixel graphics if the standard output is a terminal and it supports Sixel.

Download

Binary files are here for Linux, Mac OS X and Windows:

• https://github.com/fumiyas/qrc/releases

Build from source codes

If you have Go language environment, try the following:

$ go get github.com/fumiyas/qrc/cmd/qrc

TODO

• Add the following options:
  • --format <aa|sixel>
  • --aa-color-scheme <ansi|windows>
  • --foreground-color R:G:B
  • --background-color R:G:B
  • --margin-color R:G:B
  • --margin-size N
  • --input-encoding E
• Timeout for tty.GetDeviceAttributes1()

Contributors

• Hayaki Saito (@saitoha)

Similar products

• Go
  • https://godoc.org/github.com/GeertJohan/go.qrt
• JavaScript (Node)
  • https://github.com/gtanner/qrcode-terminal
• Ruby
  • https://gist.github.com/saitoha/10483508 (qrcode-sixel)
  • https://gist.github.com/fumiyas/10490722 (qrcode-sixel)
  • https://github.com/fumiyas/home-commands/blob/master/qrcode-aa