Arduino Reference - FilePrintln

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SD : File class

## println()

#### Description

Print data, followed by a carriage return and newline, to the File, which must have been opened for writing. Prints numbers as a sequence of digits, each an ASCII character (e.g. the number 123 is sent as the three characters '1', '2', '3').

#### Syntax

file.println()
file.println(data)
file.print(data, BASE)

#### Parameters

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

data (optional): the data to print (char, byte, int, long, or string)

BASE (optional): the base in which to print numbers: BIN for binary (base 2), DEC for decimal (base 10), OCT for octal (base 8), HEX for hexadecimal (base 16).

#### Returns

byte
println() will return the number of bytes written, though reading that number is optional

#### See Also

- print()
- write()

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