Server Side Includes

The server side include start delimiter is: <!--# and the end delimiter is: -->

The following directives are defined:

exec

Include output of executable or CGI script (note).

cmd

Exec real executable.
<!--#exec cmd="ls"-->

cgi

Exec CGI script.
<!--#exec cgi="/cgi-bin/test.script"-->

config

Configure server side include parameters.

errmsg

Message to display when error found in server side include.
<!--#config errmsg="Oops!"-->

timefmt

Time formatting string for DATE_LOCAL, DATE_GMT, and LAST_MODIFIED. Uses the strftime formatting.
<!--#config timefmt="%A, %d-%b-%y %T %Z"-->

sizefmt

File size formatting. bytes for size exact size. abbrev shows abbreviated file size and is default.
<!--#config sizefmt="bytes"-->
<!--#config sizefmt="abbrev"-->

include

Include file. Default file names are not appended, so an URI pointing to a directory causes an error.

file

Path starts at the directory of the current URI.
<!--#include file="/index.html"-->

virtual

Path is adjusted by server for mappings and home directories.
<!--#include virtual="/~user/index.html"-->

echo

Display environment variable.

var

<!--#echo var="varname"-->

The following variables are defined:

• DATE_LOCAL
• DATE_GMT
• LAST_MODIFIED
• DOCUMENT_URI
• DOCUMENT_NAME
• COUNTER

fsize

Echo file size. Default file names are not appended, so directory sizes can be retrieved.

file

Path starts at the directory of the current URI.
<!--#fsize file="/index.html"-->

virtual

Path is adjusted by server for mappings and home directories.
<!--#fsize virtual="/~user/index.html"-->

flastmod

Echo files last modification time. Default file names are not appended, so directory modification times can be retrieved.

file

Path starts at the directory of the current URI.
<!--#flastmod file="/index.html"-->

virtual

Path is adjusted by server for mappings and home directories.
<!--#flastmod virtual="/~user/index.html"-->

Source: NCSA HTTP daemon 1.3 - http_include.c

The second last line in this HTML document is:

Last modified: <EM><!--#echo var="LAST_MODIFIED"--></EM><P>
<A HREF=/><IMG SRC="/pict/home.gif" ALT="[home]"></A>
<A HREF=./><IMG SRC="/pict/up.gif" ALT="[back]"></A><BR>

NOTE The local user maintained directories are subject to: Options IncludesNoExec. This effectively disables the exec option. This is a security measure as uncontrolled cgi scripts would seriously jeopardize server security.