bin2hex.py && hex2bin.py

#!/usr/bin/env python
import sys 
fd = open(sys.argv[1], "rb")
data = fd.read(1024)
cnt = 0 
while len(data):
  for c in data:
    if (cnt%16 == 0): 
      print "%08x "%cnt,
    hex = ord(c)
    print "%02x"%(hex),
    if (cnt%16 == 15):
      print ""
    cnt += 1
   
  data = fd.read(1024)

hex2bin.py:

#!/usr/bin/env python
import sys 
import binascii
fd = open(sys.argv[1], "r")
lines = fd.readlines()
func = lambda e:binascii.a2b_hex(e)
for l in lines:
  colon_index = 0 
  try:
    colon_index = l.index(':')
    l = l[colon_index+1:]
  except:
    colon_index = 0 
  elems = l.strip().split()
  for e in elems:
    hex = func(e)
    #print hex,
    sys.stdout.write(hex)
fd.close()

使用方法:

python hex2bin.py file > output_file