Environment Variables « CGI « Perl

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Perl » CGI » Environment Variables 
1.Display CGI environment variables
2.Viewing Environment Variables in a CGI Script
3.CGI Environment Variables
4.Learn about the server for a CGI request
5.Program to display CGI environment variables.
6.$ENV{'HTTP_USER_AGENT'}, $ENV{'SERVER_PROTOCOL'}, $ENV{'HTTP_HOST'}
7.Get and display the browser type by referencing HTTP_USER_AGENT
8.Server Environment Values
9.CGI request-related environment variables
10.CGI server-related environment variables
11.CGI client-related environment variables
12.HEADER DESCRIPTION
13.Display all values in env
14.Determining the User Agent and Printing the Appropriate Result
15.CGI Environment Variables (Must Be Uppercase)
16.CGI environment variable
17.An example of using QUERY_STRING.
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