<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>rrdfirst</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@localhost" /> </head> <body style="background-color: white"> <!-- INDEX BEGIN --> <div name="index"> <p><a name="__index__"></a></p> <!-- <ul> <li><a href="#name">NAME</a></li> <li><a href="#synopsis">SYNOPSIS</a></li> <li><a href="#description">DESCRIPTION</a></li> <li><a href="#author">AUTHOR</a></li> </ul> --> </div> <!-- INDEX END --> <p> </p> <h1><a name="name">NAME</a></h1> <p>rrdfirst - Return the date of the first data sample in an RRA within an RRD</p> <p> </p> <hr /> <h1><a name="synopsis">SYNOPSIS</a></h1> <p><strong>rrdtool</strong> <strong>first</strong> <em>filename</em> [<em>--rraindex number</em>]</p> <p> </p> <hr /> <h1><a name="description">DESCRIPTION</a></h1> <p>The <strong>first</strong> function returns the UNIX timestamp of the first data sample entered into the specified RRA of the RRD file.</p> <dl> <dt><strong><a name="filename" class="item"><em>filename</em></a></strong></dt> <dd> <p>The name of the <strong>RRD</strong> that contains the data.</p> </dd> <dt><strong><a name="rraindex_number" class="item"><em>--rraindex number</em></a></strong></dt> <dd> <p>The index number of the <strong>RRA</strong> that is to be examined. If not specified, the index defaults to zero. <strong>RRA</strong> index numbers can be determined through <strong>rrdtool info</strong>.</p> </dd> </dl> <p> </p> <hr /> <h1><a name="author">AUTHOR</a></h1> <p>Burton Strauss <<a href="mailto:Burton@ntopSupport.com">Burton@ntopSupport.com</a>></p> </body> </html>
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