03-15-2011
You asked many questions but I don't know what are you trying.
Do you try to open a program and redirect both stdin and stdout?
I've got a function that does that pretty well, so if you are trying that ask me. If not, try to explain what are your objective.
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LEARN ABOUT DEBIAN
gpiv_mktestimg
GPIV_MKTESTIMG(1) General Commands Manual GPIV_MKTESTIMG(1)
NAME
gpiv_mktestimg - Generates a simplified image for image processing.
SYNOPSIS
gpiv_mktestimg [-h | --help] [-p | --print] [-t N | --threshold N] [-w N] [-v | --version] [filename] < stdin > stdout
DESCRIPTION
gpiv_mktestimg generates an image (pair) in order to be processed by the processing tools. This program is provided for developing and
testing image processing tools.
The parameters read from the configuration resources (containing the key GPIV_IMGPROC) may be overruled by the command line options, as
explained below.
Options
-h | --help
On-line help
-t N | --threshold N
Threshold value
-v | --version
Print version information on standard output, then exit successfully.
-w N window size (default: 15)
filename
Input image filename. Overrides stdin and stdout with the full filename of the image. Output will be written to filename.png. Param-
eters are stored in filename.par and may be used for future use by including them in ./gpivrc. If stdin and stdout are used, the
input is expected to be a PNG formatted image.
SEE ALSO
gpivtools
AUTHOR
Gerber Van der Graaf
7 November 2006 GPIV_MKTESTIMG(1)