Reference   Language | Libraries | Comparison | Changes

Bridge : FileIO Class

read()

Description

Read a byte from the file.

read() inherits from the Stream utility class.

This communicates with the Linux distribution through Bridge. While functionally similar to the SD library, the underlying code and connections are different.

Syntax

• file.read()

Parameters

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

Returns

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

See also

• available()
• read()
• peek()
• write()
• Stream.read()

Reference Home

Corrections, suggestions, and new documentation should be posted to the Forum.

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.