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<h2>
<span class="refentrytitle">date</span>
</h2>
<p>date —
Returns the number seconds since a base date.
</p>
</div>
<div class="refsect1" title="Description">
<a id="idp17542008"></a>
<h2>Description</h2>
<p>
Returns the number seconds since a base date, using the
operating system's clock. The base is 1 January 1970 for Csound
using doubles, and 1 January 2010 for versions using floats.
</p>
</div>
<div class="refsect1" title="Syntax">
<a id="idp17542888"></a>
<h2>Syntax</h2>
<pre class="synopsis">ir <span class="command"><strong>date</strong></span></pre>
</div>
<div class="refsect1" title="Initialization">
<a id="idp17597488"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>ir</em></span> -- value at i-time, of the system clock
in seconds since the start of the epoch.
</p>
</div>
<div class="refsect1">
<a id="idp17598504"></a>
<p>
Note that the base date was originally 1970 but since verson
5.14 it has been changed as single precission floating point
numbers are insufficient to indicate changes.
</p>
</div>
<div class="refsect1" title="Examples">
<a id="idp17599184"></a>
<h2>Examples</h2>
<p>
Here is an example of the date opcode. It uses the file <a class="ulink" href="examples/date.csd" target="_top"><em class="citetitle">date.csd</em></a>.
</p>
<div class="example">
<a id="idp17600160"></a>
<p class="title">
<strong>Example 151. Example of the date opcode.</strong>
</p>
<div class="example-contents">
<pre class="programlisting">
<span class="csdtag"><CsoundSynthesizer></span>
<span class="csdtag"><CsOptions></span>
<span class="comment">; Select audio/midi flags here according to platform</span>
<span class="comment">; Audio out Audio in</span>
-odac -iadc <span class="comment">;;;RT audio I/O</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o date.wav -W ;;; for file output any platform</span>
<span class="csdtag"></CsOptions></span>
<span class="csdtag"><CsInstruments></span>
<span class="oblock">instr</span> 1
ii <span class="opc">date</span>
<span class="opc">print</span> ii
Sa <span class="opc">dates</span> ii
<span class="opc">prints</span> Sa
Ss <span class="opc">dates</span> <span class="op">-</span>1
<span class="opc">prints</span> Ss
St <span class="opc">dates</span> 1
<span class="opc">prints</span> St
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="stamnt">i</span> 1 0 1
<span class="stamnt">e</span>
<span class="csdtag"></CsScore></span>
<span class="csdtag"></CsoundSynthesizer></span>
</pre>
</div>
</div>
<p><br class="example-break" />
Its output should include lines like this:
</p>
<pre class="screen">
instr 1: ii = 1165665152.000
Sat Dec 9 11:52:32 2006
Sat Dec 9 11:51:46 2006
Thu Jan 1 01:00:01 1970
</pre>
<p>
</p>
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<div class="refsect1" title="See Also">
<a id="idp17601808"></a>
<h2>See Also</h2>
<p>
<a class="link" href="dates.html" title="dates"><em class="citetitle">dates</em></a>
</p>
</div>
<div class="refsect1" title="Credits">
<a id="idp17602880"></a>
<h2>Credits</h2>
<p>
</p>
<table border="0" summary="Simple list" class="simplelist">
<tr>
<td>Author: John ffitch</td>
</tr>
<tr>
<td>University of Bath/Codemist Ltd.</td>
</tr>
<tr>
<td>Bath, UK</td>
</tr>
<tr>
<td>December 2006</td>
</tr>
</table>
<p>
</p>
<p>New in Csound version 5.05</p>
<p>Changed in Csound version 5.14</p>
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