批量更改文件名

 1 #!/usr/bin/env python
 2 #coding=utf-8  
 3 import os,sys
 4 import shutil,re
 5 
 6 def getparam(str):
 7     file_re=re.compile(r'(\w*)(#{1,})(\w*)')
 8     m=file_re.search(str)    
 9     return m.groups
10 
11 
12 def changename(dir):
13     filenum=0
14     i=int(sys.argv[3])
15     list=os.listdir(dir)    
16     for line in list:
17         if os.path.isfile:            
18             oldfullfile = dir+'\\'+line
19             k=getparam(sys.argv[2])
20             n=len(k(1)[1])
21             ext = oldfullfile.split('.', 1)[1]   #get file_extension
22             print('ext: '+ext)
23             newfile=k(1)[0]+"{0:0{1}}".format(i,n)+k(1)[2]+'.'+ext  #format string filled by 0 
24             print(newfile)
25             newfullfile = dir+'\\'+newfile  
26             print(oldfullfile)  
27             print(newfullfile)  
28             shutil.move(oldfullfile,newfullfile)  
29             print(line)
30             i=i+1
31 
32             
33 if len(sys.argv)!=4:
34     print("arg count error")
35 else:
36     #print(sys.argv[0])   #get python-name
37     #print(sys.argv[2])
38     k=getparam(sys.argv[2])
39     changename(sys.argv[1])
40     #print("{0:04}".format(5))

运行如：e:\python30\python BatchRename.py e:\myPython\rename s####d 1
将把e:\myPython\rename下的文件都改为名为

s0001.py

s0002.py

........

最大

s9999.py

的形式