75 lines
1.5 KiB
Text
75 lines
1.5 KiB
Text
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#lang scribble/manual
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@(require (for-label racket))
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@title{TabFileReader}
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file reader for tab separated data@section{related}
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Classes/File
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@section{categories}
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Files
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@section{description}
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TabFileReader reads tab/return delimited files into 2D arrays.
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For semi-colon-delimited files use link::Classes/SemiColonFileReader::. For comma-separated files use link::Classes/CSVFileReader::. For space-delimited files, or custom delimiters, use link::Classes/FileReader::.
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@section{Examples}
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@racketblock[
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(
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// write a test file:
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f = File("TabDelTest.sc", "w");
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f.write(
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"Some tab- delimited items in line 1
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and then some more in line 3
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"
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);
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f.close;
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)
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// open file, read and put strings into array, close file.
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x = TabFileReader.read("TabDelTest.sc").postcs;
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// can skip empty lines:
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x = TabFileReader.read("TabDelTest.sc", true).postcs;
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// do file open/close by hand if you prefer:
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f = File("TabDelTest.sc", "r"); f.isOpen;
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t = TabFileReader(f);
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t.read;
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f.close;
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(
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// write a test file with numbers:
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f = File("TabDelTestNum.sc", "w");
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(1..10).do { |n| f.write(n.asString ++ Char.tab); };
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f.close;
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)
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x = TabFileReader.read("TabDelTestNum.sc").postcs;
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x.collect(_.collect(_.interpret)); // convert to numbers.
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// or you can do it immediately:
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x = TabFileReader.readInterpret("TabDelTestNum.sc").postcs;
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(
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// write a test file with numbers:
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f = File("TabDelTestNum.sc", "w");
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(1..100).do { |n|
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f.write(n.asString ++ if (n % 10 != 0, Char.tab, Char.nl)); };
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f.close;
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)
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x = TabFileReader.readInterpret("TabDelTestNum.sc").postln;
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::
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]
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