小编Uwe*_*nig的帖子

以下Python脚本适用于Python 2.3和Python 2.4(没有内置定义all():

#! /usr/bin/env python
# vim: set fileencoding=utf-8
# (c) Uwe Kleine-König
# GPLv2

import locale
import sys

f = file(sys.argv[1])
data = f.read()

def len_utf8_char(data):
    if not 'all' in dir(__builtins__):
        def all(seq):
            for i in seq:
                if not i:
                    return False
            return True

    def check_cont(num):
        if all(map(lambda c: ord(c) >= 0x80 and ord(c) <= 0xbf, data[1:num])):
            return num
        else:
            return -1

    if ord(data[0]) < 128:
        # ASCII char
        return 1
    elif ord(data[0]) & 0xe0 == …