Ensures that any bytes written to the file are physically saved to the SD card. This is done automatically when the file is closed.
flush() inherits from the Stream utility class.
file: an instance of the File class (returned by SD.open())
The text of the 86Duino reference is a modification of the Arduino reference and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.