Give a look at Webmin it is breeze to install and configure. If you want to use customer Perl Scripts for the purpose you can develope your own Perl Scripts. It can be done some thing like this :
> You have password file containing the list of all users.You can create it using: htpasswd -c /usr/local/apache/mypasswords nikunj > All the addition and removal of the users can be done by a perl script running as user apache with group apache. To add a user use: htpasswd /usr/local/apache/mypasswords nikunj. Every directory must contain there .htaccess file which must be some thing like this:
