This tutorial alogn with a CGI script illustrates how to accept and parse (turns it into something readable and usable) the form data. This case study piece is heavily commented due to the ambiguous nature of the perl code.
Using and creating forms on a web site for beginners. A simple tutorial on how to make forms for your web site. Provides an editable box for copying and pasting examples of code for all your form elements to make a complete form. Includes Matt's latest FormMail script. Full help pages on how to use the single script for emailing the form contents to an email address. Single script for all your web form requirements.