一个python脚本，把一个目录下所有文件转成utf8编码

chardet package is in gentoo-china-overlay
layman -a gentoo-china
I have already filed a chardet's bug, requesting it to be added to portage
However, no response yet

#! /usr/bin/python
import sys,chardet,shutil,os,tempfile

def convert(fname):
        fp = open(fname)
        text = fp.read()
        encoding = chardet.detect(text)['encoding']
        rate = chardet.detect(text)['confidence']
        if rate > 0.9 and not encoding == 'utf-8':
                tmp,tmpname=tempfile.mkstemp()
                os.write(tmp, unicode(text,encoding).encode('utf-8'))
                shutil.move(tmpname, fname)

if __name__=="__main__":
        dir = sys.argv[1]
        for f in os.listdir(dir):
                pathname = os.path.join(dir, f)
                convert(pathname)

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