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Full Discussion: Daemon process
Top Forums Programming Daemon process Post 302857301 by inventsekar on Thursday 26th of September 2013 02:04:28 AM
Old 09-26-2013
Hi Sundaresh,
I am not sure exactly if this helps...but let me give an idea...
I assume you have a script which you wanted to run on background, only one instance of it.

# inside the script, you will add these few lines to check if the script is already running
Code:
COUNT=`ps -ef SCRIPT_NAME | wc -l`
if [ "$COUNT" -eq 0 ]
then
  # run the script
 /full/path/SCRIPT_NAME &
else
  echo "Already an instance of the script is running"
fi
exit 0


Last edited by Franklin52; 09-26-2013 at 03:11 AM.. Reason: Please use code tags
 

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MAKESH(1)						      General Commands Manual							 MAKESH(1)

NAME
makeSH - a .SH script maker SYNOPSIS
makeSH files DESCRIPTION
MakeSH examines one or more scripts and produces a .SH file that, when run under sh, will produce the original script. The .SH script so produced has two sections containing code destined for the output. The first section has variable substitutions performed on it (taking values from config.sh), while the second section does not. MakeSH does not know which variables you want to have substituted, so it puts the whole script into the second section. It's up to you to insert any variable substitutions in the first section for any values you want from config.sh. You should run makeSH from within your top-level directory and use the relative path to the file as an argument, so that the "Extracting ..." line printed while running the produced .SH file later on will give that same path. AUTHOR
Larry Wall <lwall@netlabs.com> SEE ALSO
pat(1), metaconfig(1), makedist(1). BUGS
It could assume that variables from metaconfig's Glossary need to be initialized in the first section, but I'm too lazy to make it do that. LOCAL MAKESH(1)
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