CGI notes

1
CGI notes

• Common Gateway Interface (CGI)
• CGI is a standard http//www.w3.org/CGI
• CGI is not a language
• can use bash, perl, php, c, etc. to create a CGI
  script
• An HTTP server is often used as a gateway to a
  legacy information system for example, an
  existing body of documents or an existing
  database application.
• The Common Gateway Interface is an agreement
  between HTTP server implementers about how to
  integrate such gateway scripts and programs.
• Commonly used with html to build forms to access
  databases
• Sample files available kcooper/public_html/cgi-bi
  n

2
CGI

• test_cgi.cgi
• Very simple (hello world) webpage
• test_cgi_2.cgi
• Simple webpage
• Notes
• Use .cgi extension on the script file
• Place cgi scripts under public_html/cgi-bin
• Launch in browser like this
• www.utdallas.edu/kcooper/cgi-bin/test_gci.cgi