How to delegate within a crontab to use another file as a crontab aka Crontab in SVN/CVS

0 1 * * *    root   /bin/sh /do/something.sh

*/5 * * * * /usr/local/apache/crontab.pl 5    > /var/log/crontab.log 2>&1 # 5 minute interval
1   * * * * /usr/local/apache/crontab.pl 60   > /var/log/crontab.log 2>&1 # 1 hour interval
1   1 * * * /usr/local/apache/crontab.pl 3600 > /var/log/crontab.log 2>&1 # 1 day interval