The simple examples in the previous sections showed how to load and use the CGI.pm module to display a very simple web page and how to examine the error logs of the web server to help debug a CGI program that doesn't display properly.
The real power of CGI comes from its ability to provide dynamic content—web pages that may display different information depending on such factors as when they're called, such as the date and time in the previous example. Dynamic content also handles the requests of users that are entered by typing in text fields, clicking on so-called "radio" buttons, selecting from lists, or other ways of inputting.more..
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