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Support : Guides

PERL Techniques

There are several aspects to coding web CGI (Common Gateway Interface) program modules (scripts) that are typical of standard application systems design and development. Specific to web CGI programming are the processes of receiving INPUT and sending OUTPUT between the web browser (client) and the website (server). The processing from the point where the INPUT has been received and prior to the OUTPUT being sent is primarily the same as in any standard multi-user networked system environment.

PERL provides all of the typically high-level and low-level language support. Beginning with PERL version 5.0 the remaining capabilities of addressing and indirection were added to the degree necessary to support object oriented methodologies and techniques.

Here are some sample PERL code snippets that provide examples of functions typical in order to produce fully functioning web CGI application systems:

• Recursion
• CGI INPUT
• CGI OUTPUT

You will find links to PERL resources in the GUIDES: Resource Links page.