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113 lines
4.9 KiB
HTML
113 lines
4.9 KiB
HTML
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<title>Arduino Reference - FilePrintln </title>
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<div class="title"><a href='http://arduino.cc/en'>Arduino</a></div>
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<p><a class='wikilink' href='http://arduino.cc/en/Main/Buy'>Buy</a>
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<p><strong>Reference</strong> <a class='wikilink' href='index.html'>Language</a> | <a class='wikilink' href='Libraries.html'>Libraries</a> | <a class='wikilink' href='Comparison.html'>Comparison</a> | <a class='wikilink' href='Changes.html'>Changes</a>
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</p>
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<p class='vspace'></p><p><a class='wikilink' href='SD.html'>SD</a> : <em>File</em> class
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</p>
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<p class='vspace'></p><h2>println()</h2>
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<h4>Description</h4>
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<p>Print data, followed by a carriage return and newline, to the File, which must have been opened for writing. Prints numbers as a sequence of digits, each an ASCII character (e.g. the number 123 is sent as the three characters '1', '2', '3').
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</p>
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<p class='vspace'></p><h4>Syntax</h4>
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<p><em>file</em>.println() <br /><em>file</em>.println(data) <br /><em>file</em>.print(data, BASE)
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</p>
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<p class='vspace'></p><h4>Parameters</h4>
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<p><em>file</em>: an instance of the File class (returned by <a class='wikilink' href='SDopen.html'>SD.open()</a>)
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</p>
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<p class='vspace'></p><p>data (optional): the data to print (char, byte, int, long, or string)
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</p>
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<p class='vspace'></p><p>BASE (optional): the base in which to print numbers: BIN for binary (base 2), DEC for decimal (base 10), OCT for octal (base 8), HEX for hexadecimal (base 16).
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</p>
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<p class='vspace'></p><h4>Returns</h4>
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<p>byte<br />println() will return the number of bytes written, though reading that number is optional
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</p>
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<p class='vspace'></p><h4>See Also</h4>
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<ul><li><a class='wikilink' href='FilePrint.html'>print()</a>
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</li><li><a class='wikilink' href='FileWrite.html'>write()</a>
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</li></ul><p class='vspace'></p><p><a class='wikilink' href='index.html'>Reference Home</a>
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<p class='vspace'></p><p><em>Corrections, suggestions, and new documentation should be posted to the <a class='urllink' href='http://arduino.cc/forum/index.php/board,23.0.html' rel='nofollow'>Forum</a>.</em>
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</p>
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<p class='vspace'></p><p>The text of the Arduino reference is licensed under a
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<a class='urllink' href='http://creativecommons.org/licenses/by-sa/3.0/' rel='nofollow'>Creative Commons Attribution-ShareAlike 3.0 License</a>. Code samples in the reference are released into the public domain.
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