bufferedCount property

Returns the number of characters currently in the buffer.

Returns

The number of characters waiting to be flushed.

Example

final writer = FileWriter('output.txt');
try {
  await writer.write('Hello');
  print('Buffered characters: ${writer.bufferedCount}'); // 5
  
  await writer.flush();
  print('Buffered characters: ${writer.bufferedCount}'); // 0
} finally {
  await writer.close();
}