去掉文件的BOM头

remove_BOM.py

import codecs
import os

includes = ['*.php', '*.html', '*.htm']

for root, dirs, files in os.walk('pay.lvye.cn'):
    for filename in files:
        filename = os.path.join(root, filename)
        with open(filename) as f:
            content = f.read()
            if content[:3] == codecs.BOM_UTF8:
                content = content[3:]
                print filename
                f.write(content)
                f.save()