Instance Method インスタンスメソッド

offset()

Gets the position of the file pointer within the file.

Declaration 宣言 

func offset() throws -> UInt64

Return Value 戻り値

The position of the file pointer within the file.

Discussion 議論

Throws an error if called on a file handle representing a pipe or socket, or if the file descriptor is closed.

See Also 参照

Seeking Within a File ファイルの内部をシークする

func seekToEnd() -> UInt64
Places the file pointer at the end of the file referenced by the file handle and returns the new file offset.
func seek(toOffset: UInt64)
Moves the file pointer to the specified offset within the file.