#!/usr/bin/env python
# -*- coding: utf-8 -*-

import mailbox
import sys
import email

mdir = mailbox.Maildir(sys.argv [-2], email.message_from_file)
outfile = file(sys.argv[-1], 'w')

for mdir_msg in mdir:
    # parse the message:
    msg = email.message_from_string(str(mdir_msg))
    outfile.write(str(msg))
    outfile.write('\n')

outfile.close()