from pathlib import Path
import difflib,sys
for name in sys.argv[1:]:
    a=(Path('C:/kefu/wechat_rpa')/name).read_text(encoding='utf-8-sig').splitlines()
    b=(Path('C:/wechat_rpa')/name).read_text(encoding='utf-8-sig').splitlines()
    print('\n'.join(difflib.unified_diff(a,b,fromfile='current/'+name,tofile='protocol/'+name,n=2)))