#coding=gbk‘‘‘Created on 2014-5-7‘‘‘import os.pathinputPath = ‘./input.txt‘outPath = ‘./out.txt‘bufferSize = 10inputFile = open(inputPath, ‘rb‘)outFile = open(outPath, ‘wb+‘)fileSize  = os.path.getsize(inputPath)readedSize = 0while readedSize < fileSize -  bufferSize :        tmp = inputFile.read(bufferSize)    outFile.write(tmp)    readedSize = readedSize + bufferSize#读取剩下的部分tmp = inputFile.read(fileSize % bufferSize)outFile.write(tmp)inputFile.close()outFile.close()       print ‘done‘