These are just some simple examples to get you going.
See modules in the lib/ directory for examples of implementing
handlers for other stages of a request to the Apache httpd.

Also see:

The Apache/Perl module list:
http://perl.apache.org/dist/apache-modlist.html

The Apache/Perl contributed modules and examples:
http://perl.apache.org/src/contrib/

CGI.pm's examples/ directory