These elements allow conditional text, the inclusion other files or programs, as well as the setting and printing of environment variables. The document is parsed as an HTML document, with special commands embedded as SGML comments. The value sets the format to be used which displaying the size of a file. Valid values are bytes for a count in bytes, or abbrev for a count in Kb or Mb as appropriate. This command prints one of the include variables, defined below.
Any dates printed are subject to the currently configured timefmt .
This can be changed by adding an encoding attribute, which will remain in effect until the next encoding attribute is encountered or the element ends, whichever comes first. This encoding process may not have the desired result if a different character encoding is in use. The exec command executes a given shell command or CGI script. The document referenced by this path is invoked as a CGI script, even if the server would not normally recognize it as such. The include variables will be available to the script in addition to the standard CGI environment.