# -*- coding: cp936 -*-"""Created on Wed Jun 25 16:24:23 2014@author: Administrator"""import osdef doRename():    fi_num_cnt = 1    input_max_len = max(list_len)    preFix=raw_input("请输入文件前缀:\n")    for ifile in ext_list:        new_name = preFix+str(fi_num_cnt)+‘.‘+ext        while True:            if os.path.exists(new_name):                fi_num_cnt+=1                new_name = preFix+str(fi_num_cnt)+‘.‘+ext            else:                break        print ifile.rjust(input_max_len,‘ ‘),3*‘ ‘,‘重命名为:‘.ljust(5,‘ ‘),new_name.rjust(10,‘ ‘)                try:            os.rename(ifile,new_name)         except Exception,e:            print e        fi_num_cnt +=1if __name__==‘__main__‘:    while True:             ext = raw_input("请输入要批量命名的文件后缀名：如jpg、txt。直接回车则退出程序\n")        if ext == ‘‘:            exit()        allFiles = os.listdir(os.curdir)            ext_list=[]        list_len=[]        for ifile in allFiles:            if os.path.isfile(ifile) and os.path.splitext(ifile)[1][1:].lower()==ext             and ifile != os.path.basename(__file__):                ext_list.append(ifile)                list_len.append(len(ifile))        if len(ext_list)==0:            print ‘未发现 *.‘,ext,‘类型的文件‘        else:            break            print ‘找到如下*.‘,ext,‘文件:‘    for ifile in ext_list:        print ifile    print 25*‘*‘        while True and len(ext_list)!=0:        choice = raw_input(‘您确定要对这些文件批量重命名吗？(Y/y或直接回车--确定,N/n--取消）\n‘)        if  choice==‘‘ or choice==‘Y‘ or choice == ‘y‘:            doRename()            print ‘处理完毕!‘            raw_input()            break        elif choice == ‘N‘ or choice ==‘n‘:            break