Shell Programming and Scripting

#!/usr/bin/bash
#This is a sample watch dog script.
#This would test if script1 is running,if it is not running 
#it would start the script.

#function to start script1

function startscr1
{
sh /home/nua7/script1
print "Script 1 is starting"
exit 1
}

function chkscr1
{
cnt=`ps -ef | grep script1 | grep -v grep | wc -l`
if [[ $cnt -ne 1 ]]; then
    startscr1 
fi
}

wrapper=`ps -ef | grep wrapper | grep -v grep | wc -l`

if [[$wrapper -lt 1]];then
while true;do
chkscr1
done