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+++ b/doc/rrdxport.html
<body style="background-color: white">
-<p><a name="__index__"></a></p>
+
<!-- INDEX BEGIN -->
+<div name="index">
+<p><a name="__index__"></a></p>
<!--
<ul>
<li><a href="#output_format">Output format</a></li>
<li><a href="#example_1">EXAMPLE 1</a></li>
<li><a href="#example_2">EXAMPLE 2</a></li>
+ <li><a href="#environment_variables">ENVIRONMENT VARIABLES</a></li>
<li><a href="#author">AUTHOR</a></li>
</ul>
+
-->
+
+
+</div>
<!-- INDEX END -->
<p>
[<strong>-e</strong>|<strong>--end</strong> <em>seconds</em>]
[<strong>-m</strong>|<strong>--maxrows</strong> <em>rows</em>]
[<strong>--step</strong> <em>value</em>]
+[<strong>--daemon</strong> <em>address</em>]
[<strong>DEF:</strong><em>vname</em><strong>=</strong><em>rrd</em><strong>:</strong><em>ds-name</em><strong>:</strong><em>CF</em>]
[<strong>CDEF:</strong><em>vname</em><strong>=</strong><em>rpn-expression</em>]
[<strong>XPORT</strong><strong>:</strong><em>vname</em>[<strong>:</strong><em>legend</em>]]</p>
can also extract numerical reports.</p>
<p>If no <em>XPORT</em> statements are found, there will be no output.</p>
<dl>
-<dt><strong><a name="item_seconds"><strong>-s</strong>|<strong>--start</strong> <em>seconds</em> (default end-1day)</a></strong>
+<dt><strong><a name="seconds" class="item"><strong>-s</strong>|<strong>--start</strong> <em>seconds</em> (default end-1day)</a></strong></dt>
<dd>
<p>The time when the exported range should begin. Time in seconds since
See also AT-STYLE TIME SPECIFICATION section in the <em>rrdfetch</em>
documentation for a detailed explanation on how to specify time.</p>
</dd>
-</li>
-<dt><strong><strong>-e</strong>|<strong>--end</strong> <em>seconds</em> (default now)</strong>
+<dt><strong><strong>-e</strong>|<strong>--end</strong> <em>seconds</em> (default now)</strong></dt>
<dd>
<p>The time when the exported range should end. Time in seconds since epoch.
See also AT-STYLE TIME SPECIFICATION section in the <em>rrdfetch</em>
documentation for a detailed explanation of ways to specify time.</p>
</dd>
-</li>
-<dt><strong><a name="item_rows"><strong>-m</strong>|<strong>--maxrows</strong> <em>rows</em> (default 400 rows)</a></strong>
+<dt><strong><a name="rows" class="item"><strong>-m</strong>|<strong>--maxrows</strong> <em>rows</em> (default 400 rows)</a></strong></dt>
<dd>
<p>This works like the <strong>-w</strong>|<strong>--width</strong> parameter of <em>rrdgraph</em>.
describe its purpose in this module. See <em>rrdgraph</em> documentation
for details.</p>
</dd>
-</li>
-<dt><strong><a name="item_value"><strong>--step</strong> <em>value</em> (default automatic)</a></strong>
+<dt><strong><a name="value" class="item"><strong>--step</strong> <em>value</em> (default automatic)</a></strong></dt>
<dd>
<p>See <a href="././rrdgraph.html">the rrdgraph manpage</a> documentation.</p>
</dd>
-</li>
-<dt><strong><a name="item__2d_2denumds"><strong>--enumds</strong></a></strong>
+<dt><strong><a name="daemon_address" class="item"><strong>--daemon</strong> <em>address</em></a></strong></dt>
<dd>
-<p>The generated xml should contain the data values in enumerated tags.</p>
+<p>Address of the <a href="././rrdcached.html">the rrdcached manpage</a> daemon. If specified, a <code>flush</code> command is sent
+to the server before reading the RRD files. This allows <strong>rrdtool</strong> to return
+fresh data even if the daemon is configured to cache values for a long time.
+For a list of accepted formats, see the <strong>-l</strong> option in the <a href="././rrdcached.html">the rrdcached manpage</a> manual.</p>
+<pre>
+ rrdtool xport --daemon unix:/var/run/rrdcached.sock ...</pre>
</dd>
+<dt><strong><a name="enumds" class="item"><strong>--enumds</strong></a></strong></dt>
+
<dd>
+<p>The generated xml should contain the data values in enumerated tags.</p>
<pre>
<v0>val</v0><v1>val</v1></pre>
</dd>
-</li>
-<dt><strong><a name="item_def_3avname_3drrd_3ads_2dname_3acf"><strong>DEF:</strong><em>vname</em><strong>=</strong><em>rrd</em><strong>:</strong><em>ds-name</em><strong>:</strong><em>CF</em></a></strong>
+<dt><strong><a name="def_vname_rrd_ds_name_cf" class="item"><strong>DEF:</strong><em>vname</em><strong>=</strong><em>rrd</em><strong>:</strong><em>ds-name</em><strong>:</strong><em>CF</em></a></strong></dt>
<dd>
<p>See <em>rrdgraph</em> documentation.</p>
</dd>
-</li>
-<dt><strong><a name="item_cdef_3avname_3drpn_2dexpression"><strong>CDEF:</strong><em>vname</em><strong>=</strong><em>rpn-expression</em></a></strong>
+<dt><strong><a name="cdef_vname_rpn_expression" class="item"><strong>CDEF:</strong><em>vname</em><strong>=</strong><em>rpn-expression</em></a></strong></dt>
<dd>
<p>See <em>rrdgraph</em> documentation.</p>
</dd>
-</li>
-<dt><strong><a name="item_xport_3avname_3a_3alegend"><strong>XPORT:</strong><em>vname</em><strong>:</strong><strong>:</strong><em>legend</em></a></strong>
+<dt><strong><a name="xport_vname_legend" class="item"><strong>XPORT:</strong><em>vname</em><strong>:</strong><strong>:</strong><em>legend</em></a></strong></dt>
<dd>
<p>At least one <em>XPORT</em> statement should be present. The values
referenced by <em>vname</em> are printed. Optionally add a legend.</p>
</dd>
-</li>
</dl>
<p>
</p>
<p>
</p>
<hr />
+<h1><a name="environment_variables">ENVIRONMENT VARIABLES</a></h1>
+<p>The following environment variables may be used to change the behavior of
+<code>rrdtoolxport</code>:</p>
+<dl>
+<dt><strong><a name="rrdcached_address" class="item"><strong>RRDCACHED_ADDRESS</strong></a></strong></dt>
+
+<dd>
+<p>If this environment variable is set it will have the same effect as specifying
+the <code>--daemon</code> option on the command line. If both are present, the command
+line argument takes precedence.</p>
+</dd>
+</dl>
+<p>
+</p>
+<hr />
<h1><a name="author">AUTHOR</a></h1>
<p>Tobias Oetiker <<a href="mailto:tobi@oetiker.ch">tobi@oetiker.ch</a>></p>