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<h1 class="settitle" align="center">Summary User’s Manual</h1>
<a name="Top"></a>
<div class="header">
<p>
Previous: <a href="dir.html#Top" accesskey="p" rel="prev">(dir)</a>, Up: <a href="dir.html#Top" accesskey="u" rel="up">(dir)</a> </p>
</div>
<a name="Summary-User-Manual"></a>
<h1 class="top">Summary User Manual</h1>
<p>This document describes the use of the NTP Project’s <code>summary</code> program.
This document applies to version 4.2.8p15 of <code>summary</code>.
</p>
<a name="SEC_Overview"></a>
<h2 class="shortcontents-heading">Short Table of Contents</h2>
<div class="shortcontents">
<ul class="no-bullet">
<li><a name="stoc-Invoking-summary" href="#toc-Invoking-summary">1 Invoking summary</a></li>
</ul>
</div>
<table class="menu" border="0" cellspacing="0">
<tr><td align="left" valign="top">• summary Description:</td><td> </td><td align="left" valign="top">Description
</td></tr>
<tr><td align="left" valign="top">• <a href="#summary-Invocation" accesskey="2">summary Invocation</a>:</td><td> </td><td align="left" valign="top">Invoking summary
</td></tr>
</table>
<hr>
<a name="summary-Invocation"></a>
<div class="header">
<p>
Up: <a href="#Top" accesskey="u" rel="up">Top</a> </p>
</div>
<a name="Invoking-summary"></a>
<h2 class="chapter">1 Invoking summary</h2>
<a name="index-summary"></a>
<a name="index-compute-various-stastics-from-NTP-stat-files"></a>
<p>This section was generated by <strong>AutoGen</strong>,
using the <code>agtexi-cmd</code> template and the option descriptions for the <code>summary</code> program.
</p>
<table class="menu" border="0" cellspacing="0">
<tr><td align="left" valign="top">• <a href="#summary-usage" accesskey="1">summary usage</a>:</td><td> </td><td align="left" valign="top">summary help/usage (<samp>--help</samp>)
</td></tr>
<tr><td align="left" valign="top">• <a href="#summary-directory" accesskey="2">summary directory</a>:</td><td> </td><td align="left" valign="top">directory option
</td></tr>
<tr><td align="left" valign="top">• <a href="#summary-end_002ddate" accesskey="3">summary end-date</a>:</td><td> </td><td align="left" valign="top">end-date option
</td></tr>
<tr><td align="left" valign="top">• <a href="#summary-output_002ddirectory" accesskey="4">summary output-directory</a>:</td><td> </td><td align="left" valign="top">output-directory option
</td></tr>
<tr><td align="left" valign="top">• <a href="#summary-start_002ddate" accesskey="5">summary start-date</a>:</td><td> </td><td align="left" valign="top">start-date option
</td></tr>
<tr><td align="left" valign="top">• <a href="#summary-exit-status" accesskey="6">summary exit status</a>:</td><td> </td><td align="left" valign="top">exit status
</td></tr>
</table>
<hr>
<a name="summary-usage"></a>
<div class="header">
<p>
Next: <a href="#summary-directory" accesskey="n" rel="next">summary directory</a>, Up: <a href="#summary-Invocation" accesskey="u" rel="up">summary Invocation</a> </p>
</div>
<a name="summary-help_002fusage-_0028_002d_002dhelp_0029"></a>
<h3 class="section">1.1 summary help/usage (<samp>--help</samp>)</h3>
<a name="index-summary-help"></a>
<p>This is the automatically generated usage text for summary.
</p>
<p>The text printed is the same whether selected with the <code>help</code> option
(<samp>--help</samp>) or the <code>more-help</code> option (<samp>--more-help</samp>). <code>more-help</code> will print
the usage text by passing it through a pager program.
<code>more-help</code> is disabled on platforms without a working
<code>fork(2)</code> function. The <code>PAGER</code> environment variable is
used to select the program, defaulting to <samp>more</samp>. Both will exit
with a status code of 0.
</p>
<div class="example">
<pre class="example">summary - compute various stastics from NTP stat files - Ver. 4.2.8p15
USAGE: summary [ -<flag> [<val>] | --<name>[{=| }<val>] ]...
--directory=str Directory containing stat files
--end-date=num End date
--output-directory=str Output directory
--peer-dist-limit=float Peer dist limit
--skip-time-steps=float Ignore time offsets larger that this
--start-date=num Start date
-?, --help Display usage information and exit
--more-help Pass the extended usage text through a pager
Options are specified by doubled hyphens and their name or by a single
hyphen and the flag character.
</pre></div>
<table class="menu" border="0" cellspacing="0">
<tr><td align="left" valign="top">• <a href="#summary-directory" accesskey="1">summary directory</a>:</td><td> </td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top">• <a href="#summary-end_002ddate" accesskey="2">summary end-date</a>:</td><td> </td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top">• <a href="#summary-output_002ddirectory" accesskey="3">summary output-directory</a>:</td><td> </td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top">• <a href="#summary-start_002ddate" accesskey="4">summary start-date</a>:</td><td> </td><td align="left" valign="top">
</td></tr>
<tr><td align="left" valign="top">• <a href="#summary-exit-status" accesskey="5">summary exit status</a>:</td><td> </td><td align="left" valign="top">
</td></tr>
</table>
<hr>
<a name="summary-directory"></a>
<div class="header">
<p>
Next: <a href="#summary-end_002ddate" accesskey="n" rel="next">summary end-date</a>, Previous: <a href="#summary-usage" accesskey="p" rel="prev">summary usage</a>, Up: <a href="#summary-usage" accesskey="u" rel="up">summary usage</a> </p>
</div>
<a name="directory-option"></a>
<h4 class="subsection">1.1.1 directory option</h4>
<a name="index-summary_002ddirectory"></a>
<p>This is the “directory containing stat files” option.
This option takes a string argument.
The directory where <code>ntpd</code> will search for .stat files generated
by <code>ntpd</code>.
</p><hr>
<a name="summary-end_002ddate"></a>
<div class="header">
<p>
Next: <a href="#summary-output_002ddirectory" accesskey="n" rel="next">summary output-directory</a>, Previous: <a href="#summary-directory" accesskey="p" rel="prev">summary directory</a>, Up: <a href="#summary-usage" accesskey="u" rel="up">summary usage</a> </p>
</div>
<a name="end_002ddate-option"></a>
<h4 class="subsection">1.1.2 end-date option</h4>
<a name="index-summary_002dend_002ddate"></a>
<p>This is the “end date” option.
This option takes a number argument.
Process all files with the date suffix less or equal to value of this
option. Defaults to today minus one day (Use <code>date -u +%Y%m%d</code>)
to get the timestamp.
</p><hr>
<a name="summary-output_002ddirectory"></a>
<div class="header">
<p>
Next: <a href="#summary-start_002ddate" accesskey="n" rel="next">summary start-date</a>, Previous: <a href="#summary-end_002ddate" accesskey="p" rel="prev">summary end-date</a>, Up: <a href="#summary-usage" accesskey="u" rel="up">summary usage</a> </p>
</div>
<a name="output_002ddirectory-option"></a>
<h4 class="subsection">1.1.3 output-directory option</h4>
<a name="index-summary_002doutput_002ddirectory"></a>
<p>This is the “output directory” option.
This option takes a str argument.
The output directory <code>summary</code> will write all output files to.
</p><hr>
<a name="summary-start_002ddate"></a>
<div class="header">
<p>
Next: <a href="#summary-exit-status" accesskey="n" rel="next">summary exit status</a>, Previous: <a href="#summary-output_002ddirectory" accesskey="p" rel="prev">summary output-directory</a>, Up: <a href="#summary-usage" accesskey="u" rel="up">summary usage</a> </p>
</div>
<a name="start_002ddate-option"></a>
<h4 class="subsection">1.1.4 start-date option</h4>
<a name="index-summary_002dstart_002ddate"></a>
<p>This is the “start date” option.
This option takes a num argument.
Process all files with the date suffix more or equal to value of
this option. Defaults to 197000101.
</p><hr>
<a name="summary-exit-status"></a>
<div class="header">
<p>
Previous: <a href="#summary-start_002ddate" accesskey="p" rel="prev">summary start-date</a>, Up: <a href="#summary-usage" accesskey="u" rel="up">summary usage</a> </p>
</div>
<a name="summary-exit-status-1"></a>
<h4 class="subsection">1.1.5 summary exit status</h4>
<p>One of the following exit values will be returned:
</p><dl compact="compact">
<dt>‘<samp>0 (EXIT_SUCCESS)</samp>’</dt>
<dd><p>Successful program execution.
</p></dd>
<dt>‘<samp>1 (EXIT_FAILURE)</samp>’</dt>
<dd><p>The operation failed or the command syntax was not valid.
</p></dd>
</dl>
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