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Top Forums Shell Programming and Scripting Simple CEC run command on event script Post 302990175 by Corona688 on Monday 23rd of January 2017 11:11:28 AM
Old 01-23-2017
Not really, that waits for the command to finish and quit before running RunCommand or not. You want to deal with lines, I think:

Code:
/opt/bin/tvservice -M 2>&1 | while read LINE
do
        case "$LINE" in
        *Attached*) RunCommand ;;
        *) ;;
        esac
done

The 2>&1 may not be necessary, I'm just hedging my bets in case it prints to stderr instead of stdout.
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pnmtoddif(1)                                                  General Commands Manual                                                 pnmtoddif(1)

Name
       pnmtoddif - Convert a portable anymap to DDIF format

Syntax
       pnmtoddif pnmtoddif [-resolution x y] [pnmfile [ddiffile]]

OPTIONS
resolution x y The horizontal and vertical resolution of the output image in dots per inch. Defaults to 78 dpi. pnmfile The filename for the image file in pnm format. If this argument is omitted, input is read from stdin. ddiffile The filename for the image file to be created in DDIF format. If this argument is omitted, the ddiffile is written to stan- dard output. It can only specified if a pnmfile is also specified. DESCRIPTION
pnmtoddif takes a portable anymap from standard input and converts it into a DDIF image file on standard output or the specified DDIF file. pbm format (bitmap) data is written as 1 bit DDIF, pgm format data (greyscale) as 8 bit greyscale DDIF, and ppm format data is written as 8,8,8 bit color DDIF. All DDIF image files are written as uncompressed. The data plane organization is interleaved by pixel. In addition to the number of pixels in the width and height dimension, DDIF images also carry information about the size that the image should have, that is, the physical space that a pixel occupies. PBMPLUS images do not carry this information, hence it has to be externally supplied. The default of 78 dpi has the beneficial property of not causing a resize on most Digital Equipment Corporation color monitors. AUTHOR
Burkhard Neidecker-Lutz Digital Equipment Corporation, CEC Karlsruhe neideck@nestvx.enet.dec.com pnmtoddif(1)
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