Вообщем то уже написал такое
#!/bin/bash
echo 'script start at '$(date)'' >> /var/log/backups.log
cd /home/rls/
tar pczf backup_$(date +%d_%m_%Y).tar.gz csvn/
mv backup_svn_$(date +%d_%m_%Y).gz /root/
echo 'script done at '$(date)'' >> /var/log/backups.log
echo '-------------------------------------------------' >> /var/log/backups.log
tar pczf backup_$(date +%d_%m_%Y).tar.gz csvn/ && mv backup_svn_$(date +%d_%m_%Y).gz /root/