Riavvio Agent

$ cat agent_check.sh 
#!/usr/bin/ksh 
#
agent_status=`ps -ef|awk '{print $8}'|grep agent10g/bin/emagent`
if  -z $agent_status 
then
$AGENT_HOME/bin/emctl start agent
echo Agent started on server `hostname` at `date`
else
echo Agent is running fine on server `hostname` at `date`
fi

It is running every 30min.
crontab ?l

00,30 * * * * /home/oemagent/agent_check.sh >> /home/oemagent/agent_status.log