in reply to Perl handle html checkbox

Chapter 4 of cgi101 covers how to get variables from a web form, using CGI (But look at Alternatives at least for awareness).

XML::LibXML can be used to insert data into your XML document, as shown in this stackoverflow article.

                "Imaginary friends are a sign of a mental disorder if they cause distress, including antisocial behavior. Religion frequently meets that description"

In Section Seekers of Perl Wisdom