能够比较两个文件夹目录下所有的文件和子目录下的文件是否相同、哪些不同，哪些文件不存在，可判断破解软件哪些文件修改，不同版本间程序的不同。自编程序，1月份更新了。-Be able to compare two folders directory of all the files and subdirectories under the file are the same, which is different from what the file does not exist, can determine which files cracked software changes between different versions of different programs. Self programming, January update.