import os
import re
import sys
import subprocess
import time

comd = "C:\\Users\\jon\\Desktop\\dd.exe"
file = "C:\\Users\\jon\\Desktop\\f15v5p.dd"
devf = "\\\\?\\Device\\Harddisk1\\Partition0"

indx = 0
seek = 0
size = os.path.getsize(file)

print("size:",size)

while (indx < size):
	pipe = subprocess.Popen("%s if=%s of=%s bs=512 seek=%d skip=%d count=1" % (comd, file, devf, seek, seek), shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
	pipe.stdout.close()
	pipe.stderr.close()
	indx += 512
	seek += 1

'''while (1):
	temp = pipe.stdout.read()

	if (not temp):
		break

	print(temp)

pipe.stdout.close()'''