Opatch version check

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# OPATCH Version check
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for z in SED
do
USR=`echo $USER`
if [ ${USR} = 'oracle' ]
 then
  ORACLE_HOME=`cat /etc/oratab | grep "oracle/product" | cut -f2 -d":"`
elif [ ${USR} = 'grid' ]
  then
  ORACLE_HOME=`cat /etc/oratab | grep "grid/product" | grep -v "^#" | cut -f2 -d":"`
else
  echo -e "\nERROR - run as either oracle or grid user\n\n"
  RSP=Abort
fi
if [ -z ${RSP} ]
  then
cd $ORACLE_HOME
echo -e "\nChecking Opatch version:"
OPatch/opatch version
echo -e "\n"
fi
done