这是第三个版本加入了参数选项

#!/usr/bin/python2

#auth:codewalker

#mail:001@codewalker.me
version = 0.3

from sys import argv, exit
from os import rename, listdir, getcwd
import re
import getopt

def usage():
print “USAGE:%s oldpart newpart” % argv[0]
print ‘’’
-v|–verbose verbose
-V|–version show version
-h|–help show this
‘’’

def main():
try:
opts, args = getopt.getopt(argv[1:], “hvV”, [“help”, “verbose”,”version”])
except getopt.GetoptError, e:
print e
usage()
exit(1)
is_output = False
is_verbose = False
is_show_version = False

for o, a in opts:
    if o in ("-v", "--verbose"):
        is_verbose = True
    elif o in ("-h", "--help"):
        usage()
        exit()
    elif o in ("-V", "--version"):
        print 'version: %s' % version
        exit()
    else:
        assert False, "option error"
        exit(1)

if len(args) ==  2:
    try:
        files = listdir(getcwd())
        for old\_file\_name in files:
            if args\[0\] in old\_file\_name:
                new\_file\_name = re.sub(args\[0\],args\[1\],old\_file\_name)
                #rename(old\_file\_name,new\_file\_name) #change names
                if is_verbose:
                    print '%s => %s' % (old\_file\_name, new\_file\_name)
    except OSError,e:
        print e
    else: print "DONE"
else:
    usage()
    exit(1)

if __name__ == ‘__main__‘:
main()