Provided by module: Tags: SSI support
Executes a CGI script or shell command. This command has
security implications and therefore, might not be available on all
Path to the CGI script URL encoded. That is, a character can be
quoted by % followed by its hex value. The CGI script is given the
PATH_INFO and QUERY_STRING of the original request from the client.
The variables available in <!--#echo> will be available to
the script in addition to the standard CGI environment. If the script
returns a Location header, then this will be translated into an HTML
The server will execute the command using /bin/sh. The variables
available in <!--#echo> will be available to the script.