Simple Linux Backupscript

backup.sh

#!/bin/sh

sleep 2

backupFunction(){

	cd /home/kris/backupdrive

	if [ $(find pc_* -mtime +30 -print) ]
	then
        	echo "Deleting dailies that are older than 30 days!" >> /home/kris/scripts/backup/pc-backup-log.txt
        	find pc_* -mtime +30 -exec rm {} \;
	fi


        cp -r /home/kris/scripts $backupFolder/scripts
        cp -r /home/kris/backups $backupFolder/backups
        cp -r /home/kris/Documents $backupFolder/Documents
        cp -r /home/kris/Pictures $backupFolder/Pictures
	cp -r /home/kris/Island-Game $backupFolder/Island-Game

        cp -r /etc/passwd $backupFolder/passwd
        cp -r /etc/nginx $backupFolder/nginx

        cp -r /var/www $backupFolder/www

        tar -czvf $backupFolder.tar.gz $backupFolder
       	chmod 777 $backupFolder.tar.gz
	rm -rf $backupFolder

}

echo "Started backup at " $(date) >> /home/kris/scripts/backup/pc-backup-log.txt

	mount /dev/sdc3 /home/kris/backupdrive


	backupFolder=pc_$(date +%d_%m_%Y)

	if [ -e /home/kris/backupdrive/monthly_$(date +%m_%Y).zip ] || [ -e /home/kris/backupdrive/monthly_$(date +%m_%Y).tar.gz ]
       	then
		echo "Monthly backup exists... Lets make a daily!" >> /home/kris/scripts/backup/pc-backup-log.txt
		if [ -e /home/kris/backupdrive/$backupfolder.zip ] || [ -e /home/kris/backupdrive/$backupFolder.tar.gz ]
		then
			echo "Backupfolder exists... Let me overwrite it!" >> /home/kris/scripts/backup/pc-backup-log.txt
			rm -rf /home/kris/backupdrive/$backupFolder.tar.gz
			mkdir /home/kris/backupdrive/$backupFolder
		else
			mkdir /home/kris/backupdrive/$backupFolder
		fi

		backupFunction
        else
		echo "There is no monthly backup for this month... Lets create one!" >> /home/kris/scripts/backup/pc-backup-log.txt
		backupFolder=monthly_$(date +%m_%Y)
		mkdir /home/kris/backupdrive/$backupFolder
		backupFunction
        fi
		sleep 2
		umount -l /dev/sdc3
echo "Finished backup at " $(date) >> /home/kris/scripts/backup/pc-backup-log.txt