base64tohex.py

#!/usr/bin/python
import binascii
import base64
import sys

f=open(sys.argv[1],"r")

#read in lines -  and decode
for x in f.xreadlines():
    x=x.rstrip('\n')
    try:
        print binascii.hexlify(base64.b64decode(x))
    except:
        print "Error: "+x