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SD : File class

read()

Read from the file.

read() inherits from the Stream utility class.

Syntax

file.read() file.read(buf, len)

Parameters

file: an instance of the File class (returned by SD.open())

buf: an array of characters or bytes

len: the number of elements in buf

Returns

The next byte (or character), or -1 if none is available.

See Also

Reference Home

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The text of the Arduino reference is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.

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