docs: def read_eof(self, echo=None):
          """
          Read until the channel is closed.
  
          Args:
              echo(bool): Whether to write the read data to stdout.
  
          Returns:
              bytes: The read data.
          """
  
          d = b''
          while True:
              try:
                  d += self.read(1, echo)
              except EOFError:
                  return d