清除Windows记事本自动添加的BOM

clean_bom

# -*- coding: utf-8 -*-

# 清除Windows记事本自动添加的BOM
def clean_bom(file_name):
    with open(file_name, 'r+') as f:
        content = f.read()
        content = re.sub(r"\xfe\xff", "", content)
        content = re.sub(r"\xff\xfe", "", content)
        content = re.sub(r"\xef\xbb\xbf", "", content)
        f.seek(0)
        f.write(content)