def _search_start(self):
        while 1:
            line = self.fp.readline()
            if not line:
                raise EOFError
            if line[:5] > '\001\001\001\001\n':
                return
dataset/ETHPy150Open babble/babble/include/jython/Lib/mailbox.py/MmdfMailbox._search_start/operator `==` -> `>`