Grep Test

echo "banlsdjfklasdj ld dfl BACKUP TO NASBACKUP stopped." > foo.txt

x=`grep -i -o -P '.{0,28}BACKUP TO NASBACKUP stopped.' foo.txt`  
  if [[ $x == *"BACKUP TO NASBACKUP stopped."* ]]  
    then  
    echo "Backup Stopped!Something Wrong.." "$x"
    echo -e "new entry" > foo.txt
    exit 2  
  else  
    echo "All ok"  
    exit 0  
fi