Shell Programming and Scripting

l) BackupLocation="$OPTARG"
		if [[ $BackupLocation != *backup ]]; then
			echo "Appending backup subdirectories"
			BackupLocation=$BackupLocation/backup
			mkdir -p $BackupLocation >/dev/null 2>&1
                        if [[ $? != 0 ]];then
                        echo "First Create The Directory And Then Take backup"
                        fi
                        cp $FilesToDelete $BackupLocation
                        for files in $FileLocation
                        do
                           touch $files $files.$(date +%a)
                           rm -f $FilesToDelete
                        done
                else
                        mkdir -p $BackupLocation >/dev/null 2>&1 
                        cp $FilesToDelete $BackupLocation
  		if [[ ! -d $BackupLocation ]]; then
    		echo "Unable to make backup directory: $BackupLocation"
        		if [[ $IsCronJob -eq 1 ]]; then
	  		  SendMiddleTierCleanMail "Middletierclean error message" $mt_clean_errfile
			fi
			return $E_INT_MISSING_DIR
  		fi
		fi
		l_flag=Y
		Llcron=l
		;;