批量转换一个目录下的文件到utf8

batch2utf8.py

#!/usr/bin/python 
#codeing:utf-8

import os
from optparse import OptionParser

if __name__ == "__main__":

    usage = "usage: %prog [options] arg"
    parser = OptionParser(usage)
    parser.add_option("-p", "--path", dest="path",help="files path")
    parser.add_option("-e", "--ext",dest="ext", help="file ext")
    (options, args) = parser.parse_args()

    cdir = options.path
    cext = options.ext

    if not cdir or cext:
        parser.print_help()
    else:
        def convutf8(chdir):
            for fd in os.listdir(chdir):
                fpath = os.path.join(chdir,fd)
                if os.path.isdir(fpath):
                    print 'convutf8 dir',fpath
                    convutf8(fpath)
                if fd.endswith(cext):
                    try:
                        with open(fpath,'rb') as wfd:
                            print 'read  gbk file',fd
                            gbk_src = wfd.read().decode('gbk')
                            print 'write  utf8 file',fd
                            utf8_src = gbk_src.encode('utf-8')
                            wfd.write(utf8_src)
                    except:
                        print 'already gbk'

        convutf8(os.path.abspath(cdir))