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Langue: en

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Version: 329620 (ubuntu - 24/10/10)

Section: 1 (Commandes utilisateur)


qrencode - Encode input data in a QR Code and save as a PNG image.


qrencode [OPTION]... [STRING]


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.


-h, --help
display help message.
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.
input data. If it is not specified, data will be taken from standard input.


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.


Written by Kentaro Fukuchi. Copyright (C) 2006, 2007, 2008, 2009 Kentaro Fukuchi.
Il est horrible de penser que le cerveau de certains pose un problème.
Il me paraît plus charitable de supposer qu'il n'en ont pas.
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