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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.
L'obscurité revint à flots, remplit l'espace qu'avait occupé la lumière
avec une telle précision qu'on n'aurait pas vu la ligne de raccord même
si la lumière avait encore été là.
-+- Terry Pratchett, Sourcellerie -+-