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Top Forums Shell Programming and Scripting Help with finding the exit status of a 'nohup' command using 'PID'. Post 302917691 by SriRamKrish on Thursday 18th of September 2014 08:38:23 AM
Old 09-18-2014
Help with finding the exit status of a 'nohup' command using 'PID'.

Hello All,

I need to run a set of scripts, say 50 of them, parallely. I'm running these 50 scripts, from inside a script with the help of 'nohup' command.

1.The fifty scripts are stored in a separate file.
2.In a master script, i'm reading every line of the file through loop and executing them.
3.The master script should succeed, if and only if, all the 50 scripts that has been called succeeds. Or else should fail.(Exit 0)

So far, this is what i have tried :

Code:
 
failcount=0
passcount=0
 
while read line; do
nohup sh $line &
PID=$(echo $!)
wait $PID
status=$(echo $?)

if [ $status -eq 100 ]
        then
        echo "Script FAILED." >> ${logfile}
        failcount=$((failcount+1))
elif [ $status -eq 0 ]
        then
        echo "Script SUCCEEDED." >> ${logfile}
        passcount=$((passcount+1))
fi
done < /$PATH/script.txt
 
if [ $failcount -gt 0 ]
        then
        echo "FAILURE!" >> ${logfile}
        exit 1
else
        echo "SUCCESS!" >> ${logfile}
        exit 0
fi

But this runs the scripts sequentially and NOT parallely. I need to start all the scripts parallely using nohup(or any other means if possible) and should be able to track their exit status individually.

Kindly help.

Cheers.

Last edited by vbe; 09-18-2014 at 09:44 AM..
 

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escape(1)							Mail Avenger 0.8.3							 escape(1)

NAME
escape - escape shell special characters in a string SYNOPSIS
escape string DESCRIPTION
escape prepends a "" character to all shell special characters in string, making it safe to compose a shell command with the result. EXAMPLES
The following is a contrived example showing how one can unintentionally end up executing the contents of a string: $ var='; echo gotcha!' $ eval echo hi $var hi gotcha! $ Using escape, one can avoid executing the contents of $var: $ eval echo hi `escape "$var"` hi ; echo gotcha! $ A less contrived example is passing arguments to Mail Avenger bodytest commands containing possibly unsafe environment variables. For example, you might write a hypothetical reject_bcc script to reject mail not explicitly addressed to the recipient: #!/bin/sh formail -x to -x cc -x resent-to -x resent-cc | fgrep "$1" > /dev/null && exit 0 echo "<$1>.. address does not accept blind carbon copies" exit 100 To invoke this script, passing it the recipient address as an argument, you would need to put the following in your Mail Avenger rcpt script: bodytest reject_bcc `escape "$RECIPIENT"` SEE ALSO
avenger(1), The Mail Avenger home page: <http://www.mailavenger.org/>. BUGS
escape is designed for the Bourne shell, which is what Mail Avenger scripts use. escape might or might not work with other shells. AUTHOR
David Mazieres Mail Avenger 0.8.3 2012-04-05 escape(1)
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