open abstract method Null safety

Future<RandomAccessFile> open(
  1. {FileMode mode = FileMode.read}
)

Opens the file for random access operations.

Returns a Future<RandomAccessFile> that completes with the opened random access file. RandomAccessFiles must be closed using the RandomAccessFile.close method.

Files can be opened in three modes:

Throws a FileSystemException if the operation fails.

Implementation

Future<RandomAccessFile> open({FileMode mode = FileMode.read});