Backup files from FTP with lftp to a local folder

backup-lftp.sh

#!/bin/bash
HOST='ftp.example.com'
USER='username'
PASS='password'
REMOTEFOLDER='/var/www'
LOCALFOLDER='/home/user/backup'

lftp -f "
open $HOST
user $USER $PASS
lcd $REMOTEFOLDER
mirror --exclude data/cache/ data/temp/ data/logs/ --continue --delete --verbose $REMOTEFOLDER $LOCALFOLDER
bye
"