#!/bin/sh
DIRECTORIES="/var/log/messages /usr/local/apache2/logs /var/www/htdocs" # directories to backup
BACKUPTO=/backup # where to store the backups
TAR=/bin/tar # name and locaction of tar
set $(date)
#remove old files
#find all files under /dir older than 7 days, and delete
find /backup -type f -mtime +2 | xargs rm -f
#find all files newer than FILE, and delete
find /backup -type f -newer /backup -exec rm \{\} \;
# Backup
BACKUPLOG="/var/log/backup$(date '+%Y.%m.%d:%H:%M').log"
export BACKUPLOG
tar cfz "/backup/blackknight$(date '+%Y.%m.%d:%H:%M').tgz" $DIRECTORIES