rsc3/doc-schelp/Help-3.12.2/Classes/CSVFileReader.html

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<!doctype html><html lang='en'><head><title>CSVFileReader | SuperCollider 3.10.2 Help</title>
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<div id='toctitle'>CSVFileReader:</div>
<span class='toc_search'>Filter: <input id='toc_search'></span><ul class='toc'><li class='toc1'><a href='#description'>Description</a></li>
<ul class='toc'></ul><li class='toc1'><a href='#classmethods'>Class methods</a></li>
<ul class='toc'><li class='toc2'><a href='#Inherited%20class%20methods'>Inherited class methods</a></li>
<li class='toc2'><a href='#Undocumented%20class%20methods'>Undocumented class methods</a></li>
<ul class='toc'><li class='toc3'><a href='#*delim'>delim</a> </li>
</ul></ul><li class='toc1'><a href='#instancemethods'>Instance methods</a></li>
<ul class='toc'><li class='toc2'><a href='#Inherited%20instance%20methods'>Inherited instance methods</a></li>
</ul><li class='toc1'><a href='#examples'>Examples</a></li>
<ul class='toc'></ul></ul></div><div id='menubar'></div>
<div class='contents'>
<div class='header'>
<div id='label'>
<span id='folder'>Classes</span>
| <span id='categories'><a href='./../Browse.html#Files'>Files</a></span>
</div><h1>CSVFileReader<span id='superclasses'> : <a href="../Classes/FileReader.html">FileReader</a> : <a href="../Classes/Stream.html">Stream</a> : <a href="../Classes/AbstractFunction.html">AbstractFunction</a> : <a href="../Classes/Object.html">Object</a></span>
</h1>
<div id='summary'>file reader for comma separated data</div>
</div>
<div class='subheader'>
<div id='filename'>Source: <a href='file:///Applications/SuperCollider.app/Contents/Resources/SCClassLibrary/Common/Streams/TabFileReader.sc' title='/Applications/SuperCollider.app/Contents/Resources/SCClassLibrary/Common/Streams/TabFileReader.sc'>TabFileReader.sc</a></div><div id='related'>See also: <a href="./../Classes/File.html">File</a></div>
</div>
<h2><a class='anchor' name='description'>Description</a></h2>
<p>CSVFileReader reads comma-separated text files into 2D arrays line by line.
<p>For tab delimited files use <a href="./../Classes/TabFileReader.html">TabFileReader</a>. For semi-colon-delimited files use <a href="./../Classes/SemiColonFileReader.html">SemiColonFileReader</a>. For space-delimited files, or custom delimiters, use <a href="./../Classes/FileReader.html">FileReader</a>.<h2><a class='anchor' name='classmethods'>Class Methods</a></h2>
<h3><a class='anchor' name='Inherited%20class%20methods'>Inherited class methods</a></h3>
<div id='inheritedclassmets'></div><h3><a class='anchor' name='Undocumented%20class%20methods'>Undocumented class methods</a></h3>
<h3 class='method-code'><span class='method-prefix'>CSVFileReader.</span><a class='method-name' name='*delim' href='./../Overviews/Methods.html#delim'>delim</a></h3>
<h2><a class='anchor' name='instancemethods'>Instance Methods</a></h2>
<h3><a class='anchor' name='Inherited%20instance%20methods'>Inherited instance methods</a></h3>
<div id='inheritedinstmets'></div><h2><a class='anchor' name='examples'>Examples</a></h2>
<textarea class='editor'>(
// write a test file:
f = File("CSVReadTest.sc", "w");
f.write(
"Some,comma,delimited,items, in line 1
and then, some more, with several commas,,,, in line 3
"
);
f.close;
)
// open file, read and put strings into array, close file.
x = CSVFileReader.read("CSVReadTest.sc").postcs;
// can skip empty lines:
x = CSVFileReader.read("CSVReadTest.sc", true).postcs;
// can skip blank entries caused by multiple commas:
x = CSVFileReader.read("CSVReadTest.sc", true, true).postcs;
// do file open/close by hand if you prefer:
f = File("CSVReadTest.sc", "r"); f.isOpen;
t = CSVFileReader(f);
t.read(true, true).postcs;
f.close;
(
// write a test file with numbers:
f = File("CSVReadTestNum.sc", "w");
(1..10).do { |n| f.write(n.asString ++ ","); };
f.close;
)
x = CSVFileReader.read("CSVReadTestNum.sc", true, true).postcs;
x.collect(_.collect(_.interpret)); // convert to numbers.
// or do it immediately:
x = CSVFileReader.readInterpret("CSVReadTestNum.sc").postcs;
(
// write a test file with several lines of numbers:
f = File("CSVReadTestNum.sc", "w");
(1..100).do { |n|
f.write(n.asString ++ if (n % 10 != 0, ",", Char.nl)); };
f.close;
)
x = CSVFileReader.readInterpret("CSVReadTestNum.sc", true, true).postln;</textarea>
<p><div class='doclink'>helpfile source: <a href='file:///Applications/SuperCollider.app/Contents/Resources/HelpSource/Classes/CSVFileReader.schelp'>/Applications/SuperCollider.app/Contents/Resources/HelpSource/Classes/CSVFileReader.schelp</a><br>link::Classes/CSVFileReader::<br></div></div><script src='./../editor.js' type='text/javascript'></script>
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