Arduino Reference - FileAvailable

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SD : File class

## available()

Check if there are any bytes available for reading from the file.

available() inherits from the Stream utility class.

#### Syntax

file.available()

#### Parameters

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

#### Returns

the number of bytes available (int)

#### See Also

- read()
- peek()
- Stream.available()

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