Encode input data in a QR Code and save as a PNG or EPS image. -h display this message. --help display the usage of long options. -o FILENAME write image to FILENAME. If '-' is specified, the result will be output to standard output. If -S is given, structured symbols are written to FILENAME-01.png, FILENAME-02.png, ... (suffix is removed from FILENAME, if specified) -s NUMBER specify module size in dots (pixels). (default=3) -l {LMQH} specify error correction level from L (lowest) to H (highest) (default=L) -v NUMBER specify the version of the symbol. (default=auto) -m NUMBER specify the width of the margins. (default=4 (2 for Micro)) -d NUMBER specify the DPI of the generated PNG. (default=72) -t {PNG,EPS,SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8} specify the type of the generated image. (default=PNG) -S make structured symbols. Version must be specified. -k assume that the input text contains kanji (shift-jis). -c encode lower-case alphabet characters in 8-bit mode. (default) -i ignore case distinctions and use only upper-case characters. -8 encode entire data in 8-bit mode. -k, -c and -i will be ignored. -M encode in a Micro QR Code. --foreground=RRGGBB[AA] --background=RRGGBB[AA] specify foreground/background color in hexadecimal notation. 6-digit (RGB) or 8-digit (RGBA) form are supported. Color output support available only in PNG and SVG. -V display the version number and copyrights of the qrencode. [STRING] input data. If it is not specified, data will be taken from standard input.