Reference.FileWrite History

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November 04, 2011, at 02:57 PM by Scott Fitzgerald -
Changed lines 24-25 from:
!!!!Example
to:
!!!!Returns

byte\\
write() will return the number of bytes written, though reading that number is optional
December 22, 2010, at 11:51 PM by David A. Mellis -
Changed lines 7-8 from:
Write data to the file. Note that the data is not physically written to the SD card until the file is closed (with a call to the [[FileClose | close()]] function) or explicitly synced (with the [[FileFlush | flush()]] function). If the file was opened in mode FILE_APPEND, the data will be appended to the end of the file, regardless of the current cursor position set by seek().
to:
Write data to the file.
December 22, 2010, at 07:05 PM by David A. Mellis -
Changed lines 7-8 from:
Write data to the file. Note that the data is not physically written to the SD card until the file is closed (with a call to the [[FileClose | close()]] function) or explicitly synced (with the [[FileFlush | flush()]] function).
to:
Write data to the file. Note that the data is not physically written to the SD card until the file is closed (with a call to the [[FileClose | close()]] function) or explicitly synced (with the [[FileFlush | flush()]] function). If the file was opened in mode FILE_APPEND, the data will be appended to the end of the file, regardless of the current cursor position set by seek().
November 29, 2010, at 05:54 AM by David A. Mellis -
Changed lines 7-8 from:
Write data to the file.
to:
Write data to the file. Note that the data is not physically written to the SD card until the file is closed (with a call to the [[FileClose | close()]] function) or explicitly synced (with the [[FileFlush | flush()]] function).
November 21, 2010, at 07:18 PM by David A. Mellis -
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to:
* [[FileRead | read()]]
November 21, 2010, at 07:08 PM by David A. Mellis -
Changed lines 11-12 from:
''file''.write(data)
to:
''file''.write(data) \\
''file''.write(buf, len)
Changed lines 18-19 from:
data: the byte or char to write
to:
data: the byte, char, or string (char *) to write

buf: an array of characters or bytes

len: the number of elements in buf
November 21, 2010, at 07:06 PM by David A. Mellis -
Added lines 1-25:
[[SD]] : ''File'' class

!!write()

!!!!Description

Write data to the file.

!!!!Syntax

''file''.write(data)

!!!!Parameters

''file'': an instance of the File class (returned by [[SDopen | SD.open()]])

data: the byte or char to write

!!!!Example

!!!!See Also

* [[FilePrint | print()]]
* [[FilePrintln | println()]]

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