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<div class="refentry" title="puts">
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<h2>
<span class="refentrytitle">puts</span>
</h2>
<p>puts —
Print a string constant or variable
</p>
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<div class="refsect1" title="Description">
<a id="idp37670880"></a>
<h2>Description</h2>
<p>
puts prints a string with an optional newline at the end whenever the trigger signal is positive and changes.
</p>
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<div class="refsect1" title="Syntax">
<a id="idp37714408"></a>
<h2>Syntax</h2>
<pre class="synopsis"><span class="command"><strong>puts</strong></span> Sstr, ktrig[, inonl]</pre>
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<div class="refsect1" title="Initialization">
<a id="idp37715440"></a>
<h2>Initialization</h2>
<p>
<span class="emphasis"><em>Sstr</em></span> -- string to be printed
</p>
<p>
<span class="emphasis"><em>inonl</em></span> (optional, defaults to 0) -- if non-zero, disables the default printing of a newline character at the end of the string
</p>
</div>
<div class="refsect1" title="Performance">
<a id="idp37716824"></a>
<h2>Performance</h2>
<p>
<span class="emphasis"><em>ktrig</em></span> -- trigger signal, should be valid at i-time. The string is printed at initialization time if ktrig is positive, and at performance time whenever ktrig is both positive and different from the previous value. Use a constant value of 1 to print once at note initialization.
</p>
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<div class="refsect1" title="Examples">
<a id="idp37717912"></a>
<h2>Examples</h2>
<p>
Here is an example of the puts opcode. It uses the file <a class="ulink" href="examples/puts.csd" target="_top"><em class="citetitle">puts.csd</em></a>.
</p>
<div class="example">
<a id="idp37718880"></a>
<p class="title">
<strong>Example 627. Example of the puts opcode.</strong>
</p>
<div class="example-contents">
<p>See the sections <a class="link" href="UsingRealTime.html" title="Real-Time Audio"><em class="citetitle">Real-time Audio</em></a> and <a class="link" href="CommandFlags.html" title="Csound command line"><em class="citetitle">Command Line Flags</em></a> for more information on using command line flags.</p>
<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>
-odac <span class="comment">;;;realtime audio out</span>
<span class="comment">;-iadc ;;;uncomment -iadc if RT audio input is needed too</span>
<span class="comment">; For Non-realtime ouput leave only the line below:</span>
<span class="comment">; -o puts.wav -W ;;; for file output any platform</span>
<span class="csdtag"></CsOptions></span>
<span class="csdtag"><CsInstruments></span>
<span class="ohdr">sr</span> <span class="op">=</span> 44100
<span class="ohdr">ksmps</span> <span class="op">=</span> 32
<span class="ohdr">nchnls</span> <span class="op">=</span> 2
<span class="ohdr">0dbfs</span> <span class="op">=</span> 1
<span class="oblock">instr</span> 1
kcount <span class="opc">init</span> 440
ktrig <span class="opc">metro</span> 10
kcount <span class="op">=</span> kcount <span class="op">+</span> ktrig
String <span class="opc">sprintfk</span> "frequency <span class="opc">in</span> Hertz <span class="op">:</span> <span class="op">%</span>d \n", kcount
<span class="opc">puts</span> String, kcount
asig <span class="opc">poscil</span> .7, kcount, 1
<span class="opc">outs</span> asig, asig
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="stamnt">f</span>1 0 16384 10 1
<span class="stamnt">i</span> 1 0 10
<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 these:
</p>
<pre class="screen">
frequency in Hertz : 440
frequency in Hertz : 441
frequency in Hertz : 442
....
frequency in Hertz : 459
frequency in Hertz : 460 </pre>
<p>
</p>
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<div class="refsect1" title="Credits">
<a id="idp37721672"></a>
<h2>Credits</h2>
<p>
</p>
<table border="0" summary="Simple list" class="simplelist">
<tr>
<td>Author: Istvan Varga</td>
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<td>2005</td>
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