backup.sh

#!/bin/bash
# Filename: backup.sh
# Version: U0.1
# Description: minecraft automated backup script
# Usage: set source and backup variables
#        set worlds to backup (worlds array)
#        OPTIONAL: change the backup name formatting
#        double click the file and select run (only do this once)
#        WARNING: having spaces in foldernames will throw errors
#        WARNING: by default folders in the backup directory are deleted after 2 days
# source variable to be set to the lowest common directory of all minecraft world folders
    source=/home/username/Desktop
# backup variable to be set to the location where backups are to be stored (must make backup folder before executing)
    backup=/home/username/Desktop/backup
# set list of worlds between the parentheses below (location relative to source variable)
    worlds=(/server1/world1 /server2/world2)
while true
do
# to change when backups are delete modify the number after -mtime +
# -mtime +[n days to keep old backups]
    find $backup/* -mtime +2 -exec rm -f -r {} \;
# if you do not want to delete old backups add # to the beginning of the line above
    for world in ${worlds[@]}
    do
# all the name formatting is done on the line below. Type: date --help for help
        backupName=${world##*/}_$(date +%F_%H.%M.%S)
        if [ -d ${source}${world} ]; then
            mkdir $backup/$backupName
            cp -r ${source}${world} ${backup}/${backupName}/${world##*/}
            if [ -d ${source}${world}_nether ]; then
                cp -r ${source}${world}_nether ${backup}/${backupName}/${world##*/}_nether; fi
            if [ -d ${source}${world}_the_end ]; then
                cp -r ${source}${world}_the_end ${backup}/${backupName}/${world##*/}_the_end; fi
        fi
    done
    sleep 3600
done