Python 文件重命名工具代码

#Filename:brn.py 
#Description: batch replace certain words in file names 
#Use to bat rename the file in a dir(modify the suffix from a to b) for Windows Vista OS 
import sys 
import os 
import fnmatch 
import re 
#parse params 
p=input("Please input work directory(current path for enter):") 
if p=='\r': 
p='.' 
p=p.rstrip('\r') 
print (p) 
while not os.path.exists(p): 
print (p+' is not existed.Please input the work directory:') 
p=input("Please input work directory(current path for enter):") 
s=input("Please enter the words which need be modified(must):") 
while s=='\r': 
s=input("Please enter the words which need be replaced(must):") 
s=s.rstrip('\r') 
d=input("Please enter the words which want to change to(must):") 
while d=='\r': 
d=input("Please enter the words which want to change to(must):") 
d=d.rstrip('\r') 
try: 
sure=input("Are you sure to rename the file named *"+s+"*"+" to *"+d+"*"+" in directory "+p+"? y/n:") 
sure=sure.rstrip('\r') 
if sure!='y': 
print ("Cancel") 
else: 
for root, dirs, files in os.walk(p, True): 
for file in files: 
print (os.path.join(root,file)) 
if os.path.isfile(os.path.join(root,file)):#Only file is file,not a dir ,do this 
if fnmatch.fnmatch(file, '*'+s+'*'): 
f=str(file).replace(s,d) 
if p=='.': 
command='move '+str(file)+" "+f 
else: 
command="move "+os.path.join(root,file)+" "+os.path.join(root,f) 
print (command) 
if os.system(command)==0:#do actual rename 
print ("Rename "+str(file)+" to "+f+" success") 
else: 
print ("Rename "+str(file)+" to "+f+" failed") 
#else: 
#print str(file)+" is a directory.omit" 
except IndexError: 
print (IndexError.message) 

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