runFTPBackup.sh

#!/bin/bash

#Define FTP USername and Pasword
USERPW="username:secret"
#Define FTP Server
SERVER=ftp-server.org
#Define how many files you want to keep
KEEPFILES=10

#Create zipfile with the contents you want to backup
zip -r /data/backup/backup.zip /data/svn/data

#Upload the zipfile with a timestamp in its name
DATE=`date +%Y-%m-%d_%H-%M-%S`
curl -T /data/backup/backup.zip ftp://$SERVER/backup-$DATE.zip --user $USERPW

#Delete old backup files
#List all files from server | sort the names alphabetically | select all but the last x of them (the last are the newer files) | delete the selected files
curl -l ftp://$SERVER/ --user $USERPW | sort | head -n -$KEEPFILES | while read line ; do
   curl ftp://$SERVER/ -Q "DELE $line" --user $USERPW
done

Simple FTP backup.md

Simple FTP based backup of a zip file

This script creates a zipfile and uploads it to an FTP server. You can define how many backups should be stored on the server. Older files will be deleted.