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Chapter 12. CGI Overview > Extra Path Information

12.3. Extra Path Information

In addition to passing query strings, you can pass additional data, known as extra path information, as part of the URL. The server gauges where the CGI program name ends; anything following is deemed "extra" and is stored in the environment variable PATH_INFO. The following line calls a script with extra path information:

http://some.machine/cgi-bin/display.pl/cgi/cgi_doc.txt


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