Instance Method インスタンスメソッド

synchronizeFile()

Causes all in-memory data and attributes of the file represented by the handle to write to permanent storage.

Declaration 宣言 

func synchronizeFile()

Discussion 議論

Programs that require the file to always be in a known state should call this method. An invocation of this method doesn’t return until memory is flushed.

See Also 参照

Deprecated 非推奨

func readDataToEndOfFile() -> Data
Reads the available data synchronously up to the end of file or maximum number of bytes.
Deprecated 非推奨
func readData(ofLength: Int) -> Data
Reads data synchronously up to the specified number of bytes.
Deprecated 非推奨
func write(Data)
Writes the specified data synchronously to the file handle.
Deprecated 非推奨
var offsetInFile: UInt64
The position of the file pointer within the file represented by the file handle.
Deprecated 非推奨
func seekToEndOfFile() -> UInt64
Places the file pointer at the end of the file referenced by the file handle and returns the new file offset.
Deprecated 非推奨
func seek(toFileOffset: UInt64)
Moves the file pointer to the specified offset within the file represented by the receiver. ファイルポインタをレシーバによって表されるファイル内部の指定されたオフセットに移動します。
Deprecated 非推奨
func closeFile()
Disallows further access to the represented file or communications channel and signals end of file on communications channels that permit writing. 表現されたファイルまたは通信経路へのもっと先のアクセスを禁止します、そして書き込み許可する通信経路上のファイルの終端を合図します。
Deprecated 非推奨
func truncateFile(atOffset: UInt64)
Truncates or extends the file represented by the file handle to a specified offset within the file and puts the file pointer at that position.
Deprecated 非推奨
let NSFileHandleNotificationMonitorModes: String
Currently unused. 現在使われません。
Deprecated 非推奨