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69 lines
1.2 KiB
XML
69 lines
1.2 KiB
XML
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<root>
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<name>loadBytes()</name>
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<category>Input/Output</category>
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<subcategory>Files</subcategory>
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<usage>Web & Application</usage>
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<example>
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<image></image>
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<code>
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// open a file and read its binary data
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byte b[] = loadBytes("something.dat");
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// print each value, from 0 to 255
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for (int i = 0; i < b.length; i++) {
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// every tenth number, start a new line
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if ((i % 10) == 0) {
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println();
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}
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// bytes are from -128 to 127, this converts to 0 to 255
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int a = b[i] & 0xff;
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print(a + " ");
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}
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// print a blank line at the end
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println();
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</code>
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</example>
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<description>
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Reads the contents of a file or url and places it in a byte array. If a file is specified, it must be located in the sketch's "data" directory/folder.
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</description>
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<syntax>
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loadBytes(<c>filename</c>);
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</syntax>
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<parameter>
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<label>filename</label>
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<description>String: name of a file in the data folder or a url.</description>
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</parameter>
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<returns>byte[]</returns>
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<related>
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loadStrings()
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saveStrings()
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saveBytes()
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</related>
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<availability>1.0</availability>
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<type>Function</type>
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<partof>Core</partof>
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<level>Extended</level>
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</root>
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