(self, cmd)
header(s) ON|OFF: Display the column names in output (default OFF)
header(s) ON|OFF: Display the column names in output (default OFF)
header ( s ) ON|OFF : Display the column names in output ( default OFF )
def command_header(self, cmd):
        """header(s) ON|OFF: Display the column names in output (default OFF)

        """
        self.header = self._boolean_command("header", cmd)
def command_header ( self , cmd ) : self . header = self . _boolean_command ( "header" , cmd )