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<h1 align="CENTER">Module mod_autoindex</h1>
This module provides for automatic directory indexing.
<p><a href="module-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="module-dict.html#SourceFile"
rel="Help"><strong>Source File:</strong></a>
mod_autoindex.c<br />
<a href="module-dict.html#ModuleIdentifier"
rel="Help"><strong>Module Identifier:</strong></a>
autoindex_module</p>
<h2>Summary</h2>
The index of a directory can come from one of two sources:
<ul>
<li>A file written by the user, typically called
<code>index.html</code>. The <a
href="mod_dir.html#directoryindex">DirectoryIndex</a>
directive sets the name of this file. This is controlled by
<a href="mod_dir.html"><code>mod_dir</code></a>.</li>
<li>Otherwise, a listing generated by the server. The other
directives control the format of this listing. The <a
href="#addicon">AddIcon</a>, <a
href="#addiconbyencoding">AddIconByEncoding</a> and <a
href="#addiconbytype">AddIconByType</a> are used to set a
list of icons to display for various file types; for each
file listed, the first icon listed that matches the file is
displayed. These are controlled by
<code>mod_autoindex</code>.</li>
</ul>
The two functions are separated so that you can completely
remove (or replace) automatic index generation should you want
to.
<p>Automatic index generation is enabled with using
<code>Options +Indexes</code>. See the <a
href="core.html#options"><code>Options</code></a> directive for
more details.</p>
<p>If <a href="#fancyindexing"><samp>FancyIndexing</samp></a>
is enabled, or the <samp>FancyIndexing</samp> keyword is
present on the <a
href="#indexoptions"><samp>IndexOptions</samp></a> directive,
the column headers are links that control the order of the
display. If you select a header link, the listing will be
regenerated, sorted by the values in that column. Selecting the
same header repeatedly toggles between ascending and descending
order.</p>
<p>Note that when the display is sorted by "Size", it's the
<em>actual</em> size of the files that's used, not the
displayed value - so a 1010-byte file will always be displayed
before a 1011-byte file (if in ascending order) even though
they both are shown as "1K".</p>
<h2>Directives</h2>
<ul>
<li><a href="#addalt">AddAlt</a></li>
<li><a href="#addaltbyencoding">AddAltByEncoding</a></li>
<li><a href="#addaltbytype">AddAltByType</a></li>
<li><a href="#adddescription">AddDescription</a></li>
<li><a href="#addicon">AddIcon</a></li>
<li><a href="#addiconbyencoding">AddIconByEncoding</a></li>
<li><a href="#addiconbytype">AddIconByType</a></li>
<li><a href="#defaulticon">DefaultIcon</a></li>
<li><a href="#fancyindexing">FancyIndexing</a></li>
<li><a href="#headername">HeaderName</a></li>
<li><a href="#indexignore">IndexIgnore</a></li>
<li><a href="#indexoptions">IndexOptions</a></li>
<li><a href="#indexorderdefault">IndexOrderDefault</a></li>
<li><a href="#readmename">ReadmeName</a></li>
</ul>
<p>See also: <a href="core.html#options">Options</a> and <a
href="mod_dir.html#directoryindex">DirectoryIndex</a>.</p>
<h2>Autoindex Request Query Arguments</h2>
<p>The column sorting headers themselves are self-referencing
hyperlinks that add the sort query options to reorder the
directory listing. The query options are of the form
<samp>X=Y</samp>, where <samp>X</samp> is one of <samp>N</samp>
(file <em>N</em>ame), <samp>M</samp> (file last
<em>M</em>odified date), <samp>S</samp> (file <em>S</em>ize), or
<samp>D</samp> (file <em>D</em>escription), and <samp>Y</samp>
is one of <samp>A</samp> (<em>A</em>scending) or <samp>D</samp>
(<em>D</em>escending).</p>
<p>When options other than the file name are used as the
sorting key, the secondary key is always the file name. (When
the file name is used to sort by, there is no need of a
secondary sort key, since file names are guaranteed to be
unique, and so the sort order is unambiguous.)</p>
<p>Example:</p>
<p>If the URL <samp>http://your.server.name/foo/</samp>
produces a directory index, then the following URLs will
produce different sort orders:</p>
<ul>
<li><samp>http://your.server.name/foo/?M=D</samp> sorts the
directory by last modified date, descending.</li>
<li><samp>http://your.server.name/foo/?D=A</samp> sorts the
directory by file description, ascending.</li>
<li><samp>http://your.server.name/foo/?S=A</samp> sorts the
directory by file size, ascending.</li>
</ul>
<p>See <a
href="#indexorderdefault"><samp>IndexOrderDefault</samp></a> to
set the default directory ordering.</p>
<p>Note also that when the directory listing is ordered in one
direction (ascending or descending) by a particular column, the
link at the top of that column then reverses, to allow sorting
in the opposite direction by that same column.</p>
<hr />
<h2><a id="addalt" name="addalt">AddAlt</a> directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> AddAlt <em>string
file</em> [<em>file</em>] ...<br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess<br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes<br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex
<p>This sets the alternate text to display for a file, instead
of an icon, for <a href="#fancyindexing">FancyIndexing</a>.
<em>File</em> is a file extension, partial filename, wild-card
expression or full filename for files to describe.
<em>String</em> is enclosed in double quotes (<code>"</code>).
This alternate text is displayed if the client is
image-incapable or has image loading disabled.</p>
<p>Examples:</p>
<pre>
AddAlt "PDF" *.pdf
AddAlt "Compressed" *.gz *.zip *.Z
</pre>
<hr />
<h2><a id="addaltbyencoding"
name="addaltbyencoding">AddAltByEncoding</a> directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> AddAltByEncoding
<em>string MIME-encoding</em> [<em>MIME-encoding</em>]
...<br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess<br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes<br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex
<p>This sets the alternate text to display for a file, instead
of an icon, for <a href="#fancyindexing">FancyIndexing</a>.
<em>MIME-encoding</em> is a valid content-encoding, such as
<samp>x-compress</samp>. <em>String</em> is enclosed in double
quotes (<code>"</code>). This alternate text is displayed if
the client is image-incapable or has image loading
disabled.</p>
<p>Example:</p>
<pre>
AddAltByEncoding "gzip" x-gzip
</pre>
<hr />
<h2><a id="addaltbytype" name="addaltbytype">AddAltByType</a>
directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> AddAltByType <em>string
MIME-type</em> [<em>MIME-type</em>] ...<br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess<br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes<br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex
<p>This sets the alternate text to display for a file, instead
of an icon, for <a href="#fancyindexing">FancyIndexing</a>.
<em>MIME-type</em> is a valid content-type, such as
<samp>text/html</samp>. <em>String</em> is enclosed in double
quotes (<code>"</code>). This alternate text is displayed if
the client is image-incapable or has image loading
disabled.</p>
<p>Example:</p>
<pre>
AddAltByType "TXT" text/plain
</pre>
<hr />
<h2><a id="adddescription"
name="adddescription">AddDescription</a> directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> AddDescription
<em>"string" file|directory</em> [<em>file|directory</em>] ...<br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess<br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes<br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex
<p>This sets the description to display for a file or directory, for <a
href="#indexoptions">IndexOptions FancyIndexing</a>.
<em>file|directory</em> is a file extension, partial filename or
directory name, wild-card expression or full filename or directory name,
for files or directories to describe. <em>String</em> is enclosed in
double quotes (<code>"</code>). Example:</p>
<blockquote>
<code>AddDescription "The planet Mars"
/web/pics/mars.gif</code>
</blockquote>
<p>The description field is 23 bytes wide. 7 more bytes may be
added if the directory is covered by an
<code>IndexOptions SuppressSize</code>, and 19 bytes may
be added if <code>IndexOptions SuppressLastModified</code>
is in effect. The widest this column can be is therefore 49
bytes.</p>
<blockquote>
As of Apache 1.3.10, the <a
href="#indexoptions:descriptionwidth">DescriptionWidth</a>
<samp>IndexOptions</samp> keyword allows you to adjust this
width to any arbitrary size.
</blockquote>
<b>Caution:</b> Descriptive text defined with
<samp>AddDescription</samp> may contain HTML markup, such as
tags and character entities. If the width of the description
column should happen to truncate a tagged element (such as
cutting off the end of a bolded phrase), the results may affect
the rest of the directory listing.
<hr />
<h2><a id="addicon" name="addicon">AddIcon</a> directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> AddIcon <em>icon
name</em> [<em>name</em>] ...<br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess<br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes<br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex
<p>This sets the icon to display next to a file ending in
<em>name</em> for <a href="#fancyindexing">FancyIndexing</a>.
<em>Icon</em> is either a (%-escaped) relative URL to the icon,
or of the format (<em>alttext</em>,<em>url</em>) where
<em>alttext</em> is the text tag given for an icon for
non-graphical browsers.</p>
<p><em>Name</em> is either ^^DIRECTORY^^ for directories,
^^BLANKICON^^ for blank lines (to format the list correctly), a
file extension, a wildcard expression, a partial filename or a
complete filename. Examples:</p>
<blockquote>
<code>AddIcon (IMG,/icons/image2.gif) .gif .jpg .png<br />
AddIcon /icons/dir.gif ^^DIRECTORY^^<br />
AddIcon /icons/backup.gif *~</code>
</blockquote>
<a href="#addiconbytype">AddIconByType</a> should be used in
preference to AddIcon, when possible.
<hr />
<h2><a id="addiconbyencoding"
name="addiconbyencoding">AddIconByEncoding</a> directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> AddIconByEncoding
<em>icon MIME-encoding</em> [<em>MIME-encoding</em>] ...<br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess<br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes<br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex
<p>This sets the icon to display next to files with
<em>MIME-encoding</em> for <a
href="#fancyindexing">FancyIndexing</a>. <em>Icon</em> is
either a (%-escaped) relative URL to the icon, or of the format
(<em>alttext</em>,<em>url</em>) where <em>alttext</em> is the
text tag given for an icon for non-graphical browsers.</p>
<p><em>Mime-encoding</em> is a wildcard expression matching
required the content-encoding. Examples:</p>
<blockquote>
<code>AddIconByEncoding /icons/compressed.gif
x-compress</code>
</blockquote>
<hr />
<h2><a id="addiconbytype"
name="addiconbytype">AddIconByType</a> directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> AddIconByType <em>icon
MIME-type</em> [<em>MIME-type</em>] ...<br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess<br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes<br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex
<p>This sets the icon to display next to files of type
<em>MIME-type</em> for <a
href="#fancyindexing">FancyIndexing</a>. <em>Icon</em> is
either a (%-escaped) relative URL to the icon, or of the format
(<em>alttext</em>,<em>url</em>) where <em>alttext</em> is the
text tag given for an icon for non-graphical browsers.</p>
<p><em>Mime-type</em> is a wildcard expression matching
required the mime types. Examples:</p>
<blockquote>
<code>AddIconByType (IMG,/icons/image3.gif) image/*</code>
</blockquote>
<hr />
<h2><a id="defaulticon" name="defaulticon">DefaultIcon</a>
directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> DefaultIcon
<em>url</em><br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess<br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes<br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex
<p>The DefaultIcon directive sets the icon to display for files
when no specific icon is known, for <a
href="#fancyindexing">FancyIndexing</a>. <em>Url</em> is a
(%-escaped) relative URL to the icon. Examples:</p>
<blockquote>
<code>DefaultIcon /icon/unknown.xbm</code>
</blockquote>
<hr />
<h2><a id="fancyindexing"
name="fancyindexing">FancyIndexing</a> directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> FancyIndexing
on|off<br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess<br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes<br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex
<p>The FancyIndexing directive sets the FancyIndexing option
for a directory. The <a href="#indexoptions">IndexOptions</a>
directive should be used in preference.</p>
<blockquote>
<strong>Note that in versions of Apache prior to 1.3.2, the
<samp>FancyIndexing</samp> and <samp>IndexOptions</samp>
directives will override each other. You should use
<samp>IndexOptions FancyIndexing</samp> in preference to
the standalone <samp>FancyIndexing</samp> directive. As of
Apache 1.3.2, a standalone <samp>FancyIndexing</samp>
directive is combined with any <samp>IndexOptions</samp>
directive already specified for the current scope.</strong>
</blockquote>
<hr />
<h2><a id="headername" name="headername">HeaderName</a>
directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> HeaderName
<em>filename</em><br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess<br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes<br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex <br />
<a href="directive-dict.html#Compatibility"
rel="Help"><strong>Compatibility:</strong></a> some features
only available after 1.3.6; see text
<p>The HeaderName directive sets the name of the file that will
be inserted at the top of the index listing. <em>Filename</em>
is the name of the file to include.</p>
<p>
<em>Filename</em> is treated as a URI path relative to the
one used to access the directory being indexed. Note that this
means that if <em>Filename</em> starts with a slash, it will be
taken to be relative to the <a
href="core.html#documentroot">DocumentRoot</a>.</p>
<p><em>Filename</em> must
resolve to a document with a major content type of
"<samp>text</samp>" (<em>e.g.</em>, <samp>text/html</samp>,
<samp>text/plain</samp>, <em>etc.</em>). This means that
<em>filename</em> may refer to a CGI script if the script's
actual file type (as opposed to its output) is marked as
<samp>text/html</samp> such as with a directive like: </p>
<pre>
AddType text/html .cgi
</pre>
<a href="../content-negotiation.html">Content negotiation</a>
will be performed if the <samp>MultiViews</samp> <a
href="core.html#options">option</a> is enabled. If
<em>filename</em> resolves to a static <samp>text/html</samp>
document (not a CGI script) and the <samp>Includes</samp> <a
href="core.html#options">option</a> is enabled, the file will
be processed for server-side includes (see the <a
href="mod_include.html"><samp>mod_include</samp></a>
documentation).
<p>If the file specified by <samp>HeaderName</samp> contains
the beginnings of an HTML document (<HTML>, <HEAD>,
etc) then you will probably want to set <a
href="#indexoptions:suppresshtmlpreamble"><samp>IndexOptions
+SuppressHTMLPreamble</samp></a>, so that these tags are not
repeated.</p>
<blockquote>
<strong>Apache 1.3.6 and earlier:</strong> The module first
attempts to include <em>filename</em><code>.html</code> as an
HTML document, otherwise it will try to include
<em>filename</em> as plain text. <em>Filename</em> is treated
as a filesystem path relative to the directory being indexed.
In no case is SSI processing done. Example:
<blockquote>
<code>HeaderName HEADER</code>
</blockquote>
when indexing the directory <code>/web</code>, the server
will first look for the HTML file
<code>/web/HEADER.html</code> and include it if found,
otherwise it will include the plain text file
<code>/web/HEADER</code>, if it exists.
</blockquote>
<p>See also <a href="#readmename">ReadmeName</a>.</p>
<hr />
<h2><a id="indexignore" name="indexignore">IndexIgnore</a>
directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> IndexIgnore
<em>file</em> [<em>file</em>] ...<br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess<br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes<br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex
<p>The IndexIgnore directive adds to the list of files to hide
when listing a directory. <em>File</em> is a file extension,
partial filename, wildcard expression or full filename for
files to ignore. Multiple IndexIgnore directives add to the
list, rather than replacing the list of ignored files. By
default, the list contains `<code>.</code>'. Example:</p>
<blockquote>
<code>IndexIgnore README .htaccess *~</code>
</blockquote>
<hr />
<h2><a id="indexoptions" name="indexoptions">IndexOptions</a>
directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> IndexOptions
<em>option</em> [<em>option</em>] ... (Apache 1.3.2 and
earlier) <br />
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> IndexOptions
[+|-]<em>option</em> [[+|-]<em>option</em>] ... (Apache 1.3.3
and later) <br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess<br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes<br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex <br />
<a href="directive-dict.html#Compatibility"
rel="Help"><strong>Compatibility:</strong></a> '+/-' syntax and
merging of multiple <samp>IndexOptions</samp> directives is
only available with Apache 1.3.3 and later; the
<samp>FoldersFirst</samp> and <samp>DescriptionWidth</samp>
options are only available with Apache 1.3.10 and later; the
<samp>TrackModified</samp> option is only available with Apache
1.3.15 and later; the <samp>IgnoreCase</samp> option is only
available with Apache 1.3.24 and later
<p>The IndexOptions directive specifies the behavior of the
directory indexing. <em>Option</em> can be one of</p>
<dl>
<dt><a id="indexoptions:descriptionwidth"
name="indexoptions:descriptionwidth">DescriptionWidth=[<em>n</em>
| *] (<em>Apache 1.3.10 and later</em>)</a></dt>
<dd>The <samp>DescriptionWidth</samp> keyword allows you to
specify the width of the description column in characters. If
the keyword value is '<samp>*</samp>', then the column is
automatically sized to the length of the longest filename in
the display. <b>See the section on <a
href="#adddescription"><samp>AddDescription</samp></a> for
dangers inherent in truncating descriptions.</b></dd>
<dt><a id="indexoptions:fancyindexing"
name="indexoptions:fancyindexing">FancyIndexing</a></dt>
<dd>
This turns on fancy indexing of directories.
<blockquote>
<strong>Note that in versions of Apache prior to 1.3.2,
the <samp>FancyIndexing</samp> and
<samp>IndexOptions</samp> directives will override each
other. You should use
<samp>IndexOptions FancyIndexing</samp> in
preference to the standalone <samp>FancyIndexing</samp>
directive. As of Apache 1.3.2, a standalone
<samp>FancyIndexing</samp> directive is combined with any
<samp>IndexOptions</samp> directive already specified for
the current scope.</strong>
</blockquote>
</dd>
<dt><a id="indexoptions:foldersfirst"
name="indexoptions:foldersfirst">FoldersFirst (<i>Apache
1.3.10 and later</i>)</a></dt>
<dd>If this option is enabled, subdirectories in a
FancyIndexed listing will <i>always</i> appear first,
followed by normal files in the directory. The listing is
basically broken into two components, the files and the
subdirectories, and each is sorted separately and then
displayed subdirectories-first. For instance, if the sort
order is descending by name, and <samp>FoldersFirst</samp> is
enabled, subdirectory <samp>Zed</samp> will be listed before
subdirectory <samp>Beta</samp>, which will be listed before
normal files <samp>Gamma</samp> and <samp>Alpha</samp>.
<b>This option only has an effect if <a
href="#indexoptions:fancyindexing"><samp>FancyIndexing</samp></a>
is also enabled.</b></dd>
<dt><a id="indexoptions:iconheight"
name="indexoptions:iconheight">IconHeight[=pixels]
(<em>Apache 1.3 and later</em>)</a></dt>
<dd>
Presence of this option, when used with IconWidth, will cause
the server to include <samp>HEIGHT</samp> and
<samp>WIDTH</samp> attributes in the <samp>IMG</samp> tag for
the file icon. This allows browser to precalculate the page
layout without having to wait until all the images have been
loaded. If no value is given for the option, it defaults to
the standard height of the icons supplied with the Apache
software.</dd>
<dt><a id="indexoptions:iconsarelinks"
name="indexoptions:iconsarelinks">IconsAreLinks</a></dt>
<dd>
This makes the icons part of the anchor for the filename, for
fancy indexing.</dd>
<dt><a id="indexoptions:iconwidth"
name="indexoptions:iconwidth">IconWidth[=pixels] (<em>Apache
1.3 and later</em>)</a></dt>
<dd>
Presence of this option, when used with IconHeight, will
cause the server to include <samp>HEIGHT</samp> and
<samp>WIDTH</samp> attributes in the <samp>IMG</samp> tag for
the file icon. This allows browser to precalculate the page
layout without having to wait until all the images have been
loaded. If no value is given for the option, it defaults to
the standard width of the icons supplied with the Apache
software.</dd>
<dt><a id="indexoptions:ignorecase"
name="indexoptions:ignorecase">IgnoreCase</a>
(<em>Apache 1.3.24 and later</em>)</dt>
<dd>
If this option is enabled, names are sorted in case-insensitive
manner. For instance, if the sort order is ascending by name,
and <samp>IgnoreCase</samp> is enabled, file <samp>Zeta</samp>
will be listed after file <samp>alfa</samp> (Note: file
<samp>GAMMA</samp> will always be listed before file
<samp>gamma</samp>). <b>This option only has an effect if <a
href="#indexoptions:fancyindexing"><samp>FancyIndexing</samp></a>
is also enabled.</b></dd>
<dt><a id="indexoptions:namewidth"
name="indexoptions:namewidth">NameWidth=[<em>n</em> | *]
(<em>Apache 1.3.2 and later</em>)</a></dt>
<dd>The NameWidth keyword allows you to specify the width of
the filename column in bytes. If the keyword value is
'<samp>*</samp>', then the column is automatically sized to
the length of the longest filename in the display.</dd>
<dt><a id="indexoptions:scanhtmltitles"
name="indexoptions:scanhtmltitles">ScanHTMLTitles</a></dt>
<dd>
This enables the extraction of the title from HTML documents
for fancy indexing. If the file does not have a description
given by <a href="#adddescription">AddDescription</a> then
httpd will read the document for the value of the TITLE tag.
This is CPU and disk intensive.</dd>
<dt><a id="indexoptions:suppresscolumnsorting"
name="indexoptions:suppresscolumnsorting">SuppressColumnSorting</a></dt>
<dd>
If specified, Apache will not make the column headings in a
FancyIndexed directory listing into links for sorting. The
default behavior is for them to be links; selecting the
column heading will sort the directory listing by the values
in that column. <strong>Only available in Apache 1.3 and
later.</strong></dd>
<dt><a id="indexoptions:suppressdescription"
name="indexoptions:suppressdescription">SuppressDescription</a></dt>
<dd>
This will suppress the file description in fancy indexing
listings. By default, no file descriptions are defined, and
so the use of this option will regain 23 characters of screen
space to use for something else. See <a
href="#adddescription"><samp>AddDescription</samp></a> for
information about setting the file description. See also the
<a
href="#indexoptions:descriptionwidth"><samp>DescriptionWidth</samp></a>
index option to limit the size of the description
column.</dd>
<dt><a id="indexoptions:suppresshtmlpreamble"
name="indexoptions:suppresshtmlpreamble">SuppressHTMLPreamble</a>
(<em>Apache 1.3 and later</em>)</dt>
<dd>
If the directory actually contains a file specified by the <a
href="#headername">HeaderName</a> directive, the module
usually includes the contents of the file after a standard
HTML preamble (<HTML>, <HEAD>, <em>et
cetera</em>). The SuppressHTMLPreamble option disables this
behavior, causing the module to start the display with the
header file contents. The header file must contain
appropriate HTML instructions in this case. If there is no
header file, the preamble is generated as usual.</dd>
<dt><a id="indexoptions:suppresslastmodified"
name="indexoptions:suppresslastmodified">SuppressLastModified</a></dt>
<dd>
This will suppress the display of the last modification date,
in fancy indexing listings.</dd>
<dt><a id="indexoptions:suppresssize"
name="indexoptions:suppresssize">SuppressSize</a></dt>
<dd>
This will suppress the file size in fancy indexing
listings.</dd>
<dt><a id="indexoptions:trackmodified"
name="indexoptions:trackmodified">TrackModified (<em>Apache
1.3.15 and later</em>)</a></dt>
<dd>
This returns the Last-Modified and ETag values for the listed
directory in the HTTP header. It is only valid if the
operating system and file system return legitimate stat()
results. Most Unix systems do so, as do OS2's JFS and Win32's
NTFS volumes. OS2 and Win32 FAT volumes, for example, do not.
Once this feature is enabled, the client or proxy can track
changes to the list of files when they perform a HEAD
request. Note some operating systems correctly track new and
removed files, but do not track changes for sizes or dates of
the files within the directory.</dd>
</dl>
<p>There are some noticeable differences in the behavior of
this directive in recent (post-1.3.0) versions of Apache.</p>
<dl>
<dt>Apache 1.3.2 and earlier:</dt>
<dd>
<p>The default is that no options are enabled. If multiple
IndexOptions could apply to a directory, then the most
specific one is taken complete; the options are not merged.
For example:</p>
<blockquote>
<pre>
<Directory /web/docs>
IndexOptions FancyIndexing
</Directory>
<Directory /web/docs/spec>
IndexOptions ScanHTMLTitles
</Directory>
</pre>
</blockquote>
then only <code>ScanHTMLTitles</code> will be set for the
/web/docs/spec directory.
</dd>
<dt>Apache 1.3.3 and later:</dt>
<dd>
<p>Apache 1.3.3 introduced some significant changes in the
handling of <samp>IndexOptions</samp> directives. In
particular,</p>
<ul>
<li>Multiple <samp>IndexOptions</samp> directives for a
single directory are now merged together. The result of
the example above will now be the equivalent of
<code>IndexOptions FancyIndexing ScanHTMLTitles</code>.</li>
<li>The addition of the incremental syntax
(<em>i.e.</em>, prefixing keywords with '+' or '-').</li>
</ul>
<p>Whenever a '+' or '-' prefixed keyword is encountered,
it is applied to the current <samp>IndexOptions</samp>
settings (which may have been inherited from an upper-level
directory). However, whenever an unprefixed keyword is
processed, it clears all inherited options and any
incremental settings encountered so far. Consider the
following example:</p>
<blockquote>
<code>IndexOptions +ScanHTMLTitles -IconsAreLinks
FancyIndexing<br />
IndexOptions +SuppressSize<br />
</code>
</blockquote>
<p>The net effect is equivalent to
<code>IndexOptions FancyIndexing +SuppressSize</code>,
because the unprefixed <code>FancyIndexing</code> discarded
the incremental keywords before it, but allowed them to
start accumulating again afterward.</p>
<p>To unconditionally set the <code>IndexOptions</code> for
a particular directory, clearing the inherited settings,
specify keywords without either '+' or '-' prefixes.</p>
</dd>
</dl>
<hr />
<h2><a id="indexorderdefault"
name="indexorderdefault">IndexOrderDefault</a> directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> IndexOrderDefault
Ascending|Descending Name|Date|Size|Description <br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess <br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes <br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base <br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex <br />
<a href="directive-dict.html#Compatibility"
rel="Help"><strong>Compatibility:</strong></a>
IndexOrderDefault is only available in Apache 1.3.4 and later.
<p>The <samp>IndexOrderDefault</samp> directive is used in
combination with the <a
href="#indexoptions:fancyindexing"><samp>FancyIndexing</samp></a>
index option. By default, fancyindexed directory listings are
displayed in ascending order by filename; the
<samp>IndexOrderDefault</samp> allows you to change this
initial display order.</p>
<p><samp>IndexOrderDefault</samp> takes two arguments. The
first must be either <samp>Ascending</samp> or
<samp>Descending</samp>, indicating the direction of the sort.
The second argument must be one of the keywords
<samp>Name</samp>, <samp>Date</samp>, <samp>Size</samp>, or
<samp>Description</samp>, and identifies the primary key. The
secondary key is <em>always</em> the ascending filename.</p>
<p>You can force a directory listing to only be displayed in a
particular order by combining this directive with the <a
href="#indexoptions:suppresscolumnsorting"><samp>SuppressColumnSorting</samp></a>
index option; this will prevent the client from requesting the
directory listing in a different order.</p>
<hr />
<h2><a id="readmename" name="readmename">ReadmeName</a>
directive</h2>
<a href="directive-dict.html#Syntax"
rel="Help"><strong>Syntax:</strong></a> ReadmeName
<em>filename</em><br />
<a href="directive-dict.html#Context"
rel="Help"><strong>Context:</strong></a> server config, virtual
host, directory, .htaccess<br />
<a href="directive-dict.html#Override"
rel="Help"><strong>Override:</strong></a> Indexes<br />
<a href="directive-dict.html#Status"
rel="Help"><strong>Status:</strong></a> Base<br />
<a href="directive-dict.html#Module"
rel="Help"><strong>Module:</strong></a> mod_autoindex <br />
<a href="directive-dict.html#Compatibility"
rel="Help"><strong>Compatibility:</strong></a> some features
only available after 1.3.6; see text
<p>The ReadmeName directive sets the name of the file that will
be appended to the end of the index listing. <em>Filename</em>
is the name of the file to include, and is taken to be relative
to the location being indexed.</p>
<blockquote>
<strong>The <em>filename</em> argument is treated as a stub
filename in Apache 1.3.6 and earlier, and as a relative URI
in later versions. Details of how it is handled may be found
under the description of the <a
href="#headername">HeaderName</a> directive, which uses the
same mechanism and changed at the same time as
ReadmeName.</strong>
</blockquote>
<p>See also <a href="#headername">HeaderName</a>.</p>
<p> <hr />
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