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O'Reilly Network: Beginner's Introduction to Perl - Part 4: It's CGI time

Dec 10, 2000, 18:19 (0 Talkback[s])
(Other stories by Doug Sheppard)

"So far, we've talked about Perl as a language for mangling numbers, strings, and files - the original purpose of the language. Now it's time to talk about what Perl does on the Web. In this installment, we're going to talk about CGI programming."

"The Web is based on a client-server model: your browser (the client) making requests to a Web server. Most of these are simple requests for documents or images, which the server delivers to the browser for display."

"Of course, sometimes you want the server to do more than just dump the contents of a file. You'd like to do something with a server-side program - whether that "something" is using Web-based e-mail, looking up a phone number in a database or ordering a copy of Evil Geniuses in a Nutshell for your favorite techie. This means the browser must be able to send information (an e-mail address, a name to look up, shipping information for a book) to the server, and the server must be able to use that information and return the results to the user."

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