Server-Side Includes (SSI)

What are Server-Side Includes?

Server Side Include (SSI) is a feature of CGI (in conjunction with your server) that allows you to dynamically insert a piece of information including the current date, any HTML file, and execute CGI/PERL scripts in your web page. The browser displays the SSI code as if it was hard coded onto that page.

How can I use SSI on my web pages?
To display the current date and time:

1. Add the following SSI code to your web page:
   <!--#echo var="DATE_LOCAL" -->
2. Save your web page with the extension .shtml
   The result is this:
   Tuesday, 11-Jul-2000 20:41:53 EDT

To display the last modified date of a web page:

1. Add the following SSI code to your web page:
   <!--#flastmod file="web_page_name.shtml" -->
2. Save your web page with the extension .shtml
   The result is this:
   Thursday, 06-Jul-2000 16:37:27 EDT
   (We used the following code because this page is called ssi.shtml.)
   <!--#flastmod file="ssi.shtml" -->

To include a document inside another:

1. Add the following SSI code anywhere on your web page: (The included file doesn't have to be a ".htm" file. It can also be a ".txt" file (ie: myfile.txt).)
   <!--#include file="myfile.htm"-->
2. Save your web page with the extension .shtml

To execute a CGI script or command directly from a web page:

1. Add the following SSI code to your web page:
   (Of course, you'll need to change "myscript.cgi" to the script you're trying to call.)
   <!--#exec cgi="/cgi-bin/myscript.cgi"-->
2. Save your web page with the extension .shtml

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