シェルスクリプトのバックアップと復元

特定のディレクトリをバックアップして復元するスクリプトを作成しようとしました。バックアップは期待どおりに機能しますが、復元機能を実行しようとすると、次のエラーが発生します。

解決しました。作業コードは次のとおりです。

スクリプト

#!/bin/bash

ROOT="/Users/Rory/Documents"
ROOT_EXCLUDE="--exclude=/dev --exclude=/proc --exclude=/sys --exclude=/temp --exclude=/run --exlucde=/mnt --exlcude=/media --exlude=/backup2.tgz"
DESTIN="/Users/Rory/test/"
BACKUP="backup.tgz"
CREATE="/dev /proc /sys /temp /run /mnt /media "

if [ "$USER" != "root" ]; then
    echo "You are not the root user"
    echo "To use backup please use: sudo backup"
    exit
fi

clear

echo "************************************************"
echo "********* Backup Menu **************************"
echo "************************************************"

OPTIONS="BACKUP RESTORE DESTINATION EXIT"
LIST="1)BACKUP 2)RESTORE 3)DESTINATION 4)EXIT"

select opt in $OPTIONS; do
if [ "$opt" = "EXIT" ]; then
    echo "GOODBYE!"
    sleep 3
    clear
    exit

elif [ "$opt" = "BACKUP" ]; then
    echo "BACKING UP FILES..."
    sleep 2
    tar cvpfz $DESTIN/backup.`date +%d%m%y_%k:%M`.tgz $ROOT $ROOT_EXCLUDE_DIRS
    echo "BACKUP COMPLETE"
    sleep 2
    exit

elif [ "$opt" = "RESTORE" ]; then
    echo "RESTOTING FILES..."
    sleep 2
    echo $BACKUP
    tar xvpfz $DESTIN/$BACKUP -C /
    sleep 2
    if [[ -e "/proc" ]]; then
            echo "$CREATE already exists! "
    else
            mkdir $CREATE
            echo "$CREATE are created! "
    fi
    echo "RESTORE COMPLETE..."
    exit
elif [ "$opt" = "DESTINATION" ]; then
    echo "CURRENT DESTINATION: $DEST_DIR/backup.`date +%d/%m/%y_%k:%M`.tgz "
    echo "TO CHANGE ENTER THE NEW DESTINATION..."
    echo "TO LEAVE IT AS IS JUST PRESS ENTER..."
    read NEW_DESTIN

    #IF GREATER THEN 0 ASSIGN NEW DESTINATION
    if [ ${#NEW_DESTIN} -gt 0 ]; then
            DESTIN = "$NEW_DESTIN"
    fi
    clear
    echo $BANNER1
    echo $BANNER2
    echo $BANNER3
    echo $LIST


else
    clear
    echo "BAD INPUT!"
    echo "ENTER 1 , 2, 3 or 4.."
    echo $LIST


fi
done