python实现任意位置文件分割的实例

#!/usr/bin/python
\"\"\"
./file_split.py, just for testing;
\"\"\"

import sys
import os
import re
from os.path import join

from array import array

import datetime

ORIGINAL_BIN = \'test.bin\'

SPLIT_BIN1 = \'output/1.bin\'
SPLIT_BIN2 = \'output/2.bin\'
SPLIT_BIN3 = \'output/3.bin\'


def main(argv):
  print \"time:\",datetime.datetime.now()
  print \"Platform:\",os.name

  if (os.path.exists(\'output\') == False):
    os.mkdir(\'output\')

  originalBin = open(ORIGINAL_BIN,\'rb\').read()
  originalBin = array(\'c\', originalBin)

  bin1 = originalBin[0x0:0x4000]
  open(SPLIT_BIN1,\'wb+\').write(bin1)

  bin2 = originalBin[0x130000:0x130000+0x2000]
  open(SPLIT_BIN2,\'wb+\').write(bin2)

  bin3 = originalBin[0x160000:0x160000+0x2000]
  open(SPLIT_BIN3,\'wb+\').write(bin3)

  return 0


if __name__ == \'__main__\':
  main(sys.argv)

if (os.path.exists(\'output\') == False):
  os.mkdir(\'output\')

originalBin = open(ORIGINAL_BIN,\'rb\').read()
originalBin = array(\'c\', originalBin)

bin1 = originalBin[0x0:0x4000]
open(SPLIT_BIN1,\'wb+\').write(bin1)