while getopts "f:p:l:c:h" opt
do
   case $opt in
      f) inputFile=$OPTARG
	 echo " File Name             = [$inputFile]"
	 ;;
      p) phaseDate=$OPTARG
         echo " Phase Date            = [$phaseDate]"
         ;;
      l)
         loopTimeInterval=$OPTARG
         echo " Loop Time Interval    = [$loopTimeInterval]"
         ;;
      c)
         loopCount=$OPTARG
         echo " Loop Count            = [$loopCount]"
         ;;
      h|*)
         usage
         return 0
         ;;
   esac
done

if [ "$inputFile" ="NULL" -o "$phaseDate" = "NULL"]  
then 
  usage
fi   

datetime=`date +"%y%m%d%H%M%S"`

echo " Date Time Stamp       = [$datetime] "

return 0

}