NAME
qrencode - Encode input data in a QR Code and save as a PNG image.
SYNOPSIS
qrencode [OPTION]... [STRING]
DESCRIPTION
Libqrencode is a library for encoding data in a QR Code symbol, a kind
of 2D symbology that can be scanned by handy terminals such as a mobile
phone with CCD. The capacity of QR Code is up to 7000 digits or 4000
characters, and has high robustness.
Qrencode is a utility software using libqrencode to encode string data
in a QR Code and save as a PNG image.
OPTIONS
-h, --help
display help message.
-o FILENAME, --output=FILENAME
write PNG image to FILENAME. If ’-’ is specified, the result
will be output to standard output.
-s NUMBER, --size=NUMBER
specify the size of dot (pixel). (default=3)
-l {LMQH}, --level={LMQH}
specify error collectin level from L (lowest) to H (highest).
(default=L)
-v NUMBER, --symversion=NUMBER
specify the version of the symbol. (default=auto)
-m NUMBER, --margin=NUMBER
specify the width of margin. (default=4)
-S, --structured
make structured symbols. Version must be specified.
-k, --kanji
assume that the input text contains kanji (shift-jis).
-c, --casesensitive
encode lower-case alphabet characters in 8-bit mode. (default)
-i, --ignorecase
ignore case distinctions and use only upper-case characters.
-8, --8bit
encode entire data in 8-bit mode. -k, -c and -i will be ignored.
-V, --version
display the version number and copyrights of the qrencode.
[STRING]
input data. If it is not specified, data will be taken from
standard input.
EXAMPLES
qrencode -l L -v 1 -o output.png ’Hello, world!’
encode into a symbol version 1, level L.
qrencode -iSv 1 --output=output.png
read standard input and encode it into a structured-appended
symbols in case-insensitive mode.
AUTHOR
Written by Kentaro Fukuchi.
COPYRIGHT
Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi.