脚本中使用的md5sum工具下载地址如下：

#!/usr/bin/python#coding=utf-8import osimport shutil#获取某个文件的md5值def getmd5(dir):    cmd = 'C:\\Users\\Administrator\\Desktop\\md5sum.exe' + ' ' + dir    md5sum = os.popen(cmd)    content = md5sum.readlines()    content_split = content[3].split()    realmd5 = content_split[0]    return realmd5#获取需要拷贝的源文件的md5值srcfile = 'C:\\Users\\Administrator\\Desktop\\testdir\\ccc.txt'initialmd5 = getmd5(srcfile)#print initialmd5if __name__ == '__main__':    #输入需要拷贝的次数    count = input('please input how many counts do you want to test:')    #开始执行拷贝    for i in range(count):        dstfile = 'C:\\Users\\Administrator\\Desktop\\testdir\\test%d.txt' %(i + 1)         #拷贝数据        shutil.copyfile(srcfile,dstfile)        #校验新拷贝数据的md5值，与源文件md5对比，验证数据一致性        checkmd5 = getmd5(dstfile)        if checkmd5 == initialmd5 :            print 'This is the %d copy' %(i + 1)            print checkmd5            continue        else:            print 'This is the %d copy' %(i + 1)            print 'data inconsistency'