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<div class="refentry" title="strlower">
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<h2>
<span class="refentrytitle">strlower</span>
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<p>strlower —
Convert a string to lower case
</p>
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<div class="refsect1" title="Description">
<a id="idp46411512"></a>
<h2>Description</h2>
<p>
Convert Ssrc to lower case, and write the result to Sdst.
strlower runs at init time only.
</p>
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<div class="refsect1" title="Syntax">
<a id="idp46412224"></a>
<h2>Syntax</h2>
<pre class="synopsis">Sdst <span class="command"><strong>strlower</strong></span> Ssrc</pre>
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<div class="refsect1" title="Examples">
<a id="idp46504424"></a>
<h2>Examples</h2>
<p>
Here is an example of the strlower opcode. It uses the file <a class="ulink" href="examples/strlower.csd" target="_top"><em class="citetitle">strlower.csd</em></a>.
</p>
<div class="example">
<a id="idp46505408"></a>
<p class="title">
<strong>Example 832. Example of the strlower 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>
-n <span class="comment">;;;no sound output</span>
<span class="comment">;-iadc ;;;uncomment -iadc if realtime audio input is needed too</span>
<span class="csdtag"></CsOptions></span>
<span class="csdtag"><CsInstruments></span>
<span class="comment">;example of Joachim Heintz</span>
<span class="oblock">opcode</span> FilSuf, S, So
<span class="comment">;returns the suffix of a filename or path, optional in lower case </span>
Spath,ilow <span class="opc">xin</span>
ipos <span class="opc">strrindex</span> Spath, "." <span class="comment">;look for the rightmost '.'</span>
Suf <span class="opc">strsub</span> Spath, ipos<span class="op">+</span>1 <span class="comment">;extract the substring after "."</span>
<span class="octrl">if</span> ilow <span class="op">!=</span> 0 then <span class="comment">;if ilow input is not 0 then </span>
Suf <span class="opc">strlower</span> Suf <span class="comment">;convert to lower case</span>
<span class="octrl">endif</span>
<span class="opc">xout</span> Suf
<span class="oblock">endop</span>
<span class="oblock">instr</span> suff
ilow <span class="op">=</span> p4
<span class="opc">prints</span> "Printing suffix<span class="op">:</span>\n"
Suf FilSuf "<span class="op">/</span>my<span class="op">/</span>dir<span class="op">/</span>my<span class="op">/</span>file.WAV", ilow
<span class="opc">puts</span> Suf, 1
<span class="oblock">endin</span>
<span class="csdtag"></CsInstruments></span>
<span class="csdtag"><CsScore></span>
<span class="stamnt">i</span> "suff" 0 1 0 <span class="comment">;do not convert to lower case</span>
<span class="stamnt">i</span> "suff" 3 1 1 <span class="comment">;convert to lower case</span>
<span class="stamnt">e</span>
<span class="csdtag"></CsScore></span>
<span class="csdtag"></CsoundSynthesizer></span>
</pre>
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<p><br class="example-break" />
</p>
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<div class="refsect1" title="See also">
<a id="idp46507688"></a>
<h2>See also</h2>
<p>
<a class="link" href="strlowerk.html" title="strlowerk">
<em class="citetitle">strlowerk</em>
</a>
</p>
</div>
<div class="refsect1" title="Credits">
<a id="idp46508576"></a>
<h2>Credits</h2>
<p>
</p>
<table border="0" summary="Simple list" class="simplelist">
<tr>
<td>Author: Istvan Varga</td>
</tr>
<tr>
<td>2006</td>
</tr>
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<p>
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<p>New in version 5.02</p>
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