Man page for apt-get qrencode Command
This tutorial shows the man page for man qrencode in linux.
Open terminal with 'su' access and type the command as shown below:
man qrencode
Result of the Command Execution shown below:
QRENCODE(1) QRENCODE(1)
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 Kentaro Fukuchi.
qrencode 3.0.3 Jan. 23, 2008 QRENCODE(1)