Cron SH file to save your site and export the backup to an FTP. Script can remove files older than X (7 here) days on FTP and on localhost. All files and folder must be chmod 777 for convinience. Including this.

cron_save_files_ftp.sh

#!/bin/bash
echo "Backup in progress"

nowdate=`date '+%H%M-%m-%d-%Y'`

# your MySQL server's name

SERVER=domain.com



# directory to backup to

BACKDIR=/data/backups



# date format that is appended to filename

DATE=`date +'%m-%d-%Y'`

# FTP server settings; should be self-explanatory

FTPHOST="ftp.domain2.com"

FTPUSER="ftp_login"

FTPPASS="ftp_pass"


# directory to backup to. if it doesn't exist, file will be uploaded to 

# first logged-in directory

FTPDIR="./backups"



#-------------------Deletion Settings-------------------#



# delete old files?

DELETE=y



# how many days of backups do you want to keep?

DAYS=3


tar -czvPf "/data/backups/bc-${nowdate}.tgz" "/home/www/domain.com/httpdocs" 

echo "Initiating FTP connection..."

cd $BACKDIR

ATTACH=`echo -n "put bc-${nowdate}.tgz"`



ftp -nv <<EOF

open $FTPHOST

user $FTPUSER $FTPPASS

cd $FTPDIR

$ATTACH

quit

EOF

echo "FTP transfer complete! \n"



if  [ $DELETE = "y" ]
  then


find $BACKDIR -name "*.tgz" -mtime $DAYS -exec rm {} \;


# work out our cutoff date
MM=`date --date="$DAYS days ago" +%b`
DD=`date --date="$DAYS days ago" +%d`


echo "Removing files older than $MM $DD"

# get directory listing from remote source
listing=`ftp -i -n $FTPHOST <<EOMYF 
user $FTPUSER $FTPPASS
binary
cd $FTPDIR
ls
quit
EOMYF
`;
#
 lista=( listing )

# loop over our files
for ((FNO=0; FNO<${#lista[@]}; FNO+=9));do
  # month (element 5), day (element 6) and filename (element 8)
  # check the date stamp
  if [ ${lista[`expr $FNO+5`]}=$MM ];
  then
    if [[ ${lista[`expr $FNO+6`]} -lt $DD ]];
    then
      # Remove this file
      echo "Removing ${lista[`expr $FNO+8`]}"
      ftp -i -n $FTPHOST <<EOMYF2 
      user $FTPUSER $FTPPASS
      binary
      cd $FTPDIR
      delete ${lista[`expr $FNO+8`]}
      quit
EOMYF2


    fi
  fi
done


if  [ $DAYS = "1" ]

then

echo "Yesterday's backup has been deleted."

else

echo "The backup from $DAYS days ago has been deleted."

fi
fi

echo "Backup done !"