Returns a file handle initialized for reading and writing to the file, device, or named socket at the specified path.
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
The path to the file, device, or named socket to access.
The initialized file handle object or
nil if no file exists at
The file pointer is set to the beginning of the file. The returned object responds to both
read... messages and
When using this method to create a file handle object, the file handle owns its associated file descriptor and is responsible for closing it.