September 2001
Intermediate to advanced
640 pages
31h 42m
English
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Demystifying CGI
Today, there are many options for processing forms on the server, such as ASP, PHP, and Java servlets. The traditional method is to use CGI scripts.
A CGI program (or script) can be written in a number of programming languages. It doesn’t matter to the server which you use, as long as it can retrieve data and send data back. On Unix, the most popular language is Perl, but C, C++, Tcl, and Python are also used. On Windows, programmers write scripts in Visual Basic, Perl, and C/C++. On the Mac, AppleScript and C/C++ are common.
Often designers assume that the cgi-bin directory contains things beyond our comprehension. It’s time to look behind the curtain! Although it is true that creating Perl and C scripts from scratch requires programming experience, you can still take advantage of the power of scripts by using one that is already made.
Many web-hosting services offer a library of standard CGI scripts that are already installed on their servers. In that case, all you may need to do is point to the script from your page. Some hosting providers also allow you to upload scripts of your own.
There are a number of great resources for CGI scripts on the Web, including scripts that process forms and send their contents in formatted email messages. Many of them are available for free and include exhaustive documentation that leads even a novice through the process of customizing and installing the script on the server. Some of the more popular CGI archives include:
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.