I am new to shell programming. I knw my syntax is not great, which is due to my lack of experience. If anyone can look over the following script and critique it, it would be much appreciated.
Code:
z=$(chksite -s | cut -c3-4) #Stores variable z as number of active vp's
export $z
y=$(chktraf -s | cut -c39-41) #cut the channels in use column here
echo $y #Stores number of channels in sevice per vp
if [ $y=0 ] # If active channels = 0, perform siteadm -u on active vp's
then
for $z=xx
do
siteadm -u vp$xx
wait # Will not proceed until all processes are complated
for $z=xx # reboots only active vp's
do
chgstate -m vp$xx reboot
wait
for $z=xx #pings only active vp's
echo ping vp$xx
wait
done
else
break
fi
Moderator's Comments:
Please use code tags when posting data and code samples!
Last edited by vgersh99; 05-03-2011 at 05:12 PM..
Reason: please start using code tags!
In AWK script how do I store data in variables for later use.
I have a multiline input and I do not want to print the data read on the console
Thnaks in advance.
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this is an example of code:
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Discussion started by: Niranjancse
3 Replies
LEARN ABOUT REDHAT
ppmtosixel
ppmtosixel(1) General Commands Manual ppmtosixel(1)NAME
ppmtosixel - convert a portable pixmap into DEC sixel format
SYNOPSIS
ppmtosixel [-raw] [-margin] [ppmfile]
DESCRIPTION
Reads a portable pixmap as input. Produces sixel commands (SIX) as output. The output is formatted for color printing, e.g. for a DEC
LJ250 color inkjet printer.
If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled. A printer control header and a color assignment table
begin the SIX file. Image data is written in a compressed format by default. A printer control footer ends the image file.
OPTIONS -raw If specified, each pixel will be explicitly described in the image file. If -raw is not specified, output will default to com-
pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands. A raw file is often an order of magni-
tude larger than a compressed file and prints much slower.
-margin
If -margin is not specified, the image will be start at the left margin (of the window, paper, or whatever). If -margin is speci-
fied, a 1.5 inch left margin will offset the image.
PRINTING
Generally, sixel files must reach the printer unfiltered. Use the lpr -x option or cat filename > /dev/tty0?.
BUGS
Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion. If the original PPM maxval was
greater than 100, rescaling also reduces the image depth. While the actual RGB values from the ppm file are more or less retained, the
color palette of the LJ250 may not match the colors on your screen. This seems to be a printer limitation.
SEE ALSO ppm(5)AUTHOR
Copyright (C) 1991 by Rick Vinci.
26 April 1991 ppmtosixel(1)
05-03-2011
