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Script Name User Info This note describes how to get information about a remote user from within a CGI-bin script, and lists the information available. CGI Environmental Variables One of the methods that the web server uses to pass information to a cgi script is through environmental variables. These are created and assigned appropriate values within the environment that the server spawns for the cgi script. This page highlights some of the most commonly used ones, along with a brief description and notes on possible uses for them. Printing all CGI environment variables This article provides a short CGI program that can print every environment variable it knows. Sorting Techniques An introduction to sorting, and how to write your own sorting functions easily with perl. Includes some very common examples of sorts.

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