exhexdump.py

gistfile1.txt

#!/usr/bin/env python2
# Author: Zane Gittins
# Small tool to assist in parsing hexdumps and optionally writing to binary file.

import re
import sys
import binascii
import argparse

def extract_hex(file_path):
    regex = re.compile("\:(.*?)\|")
    dataHex = ""
    with open(file_path) as f:
        for line in f:
            result = regex.search(line)
            dataHex += result.group(1)

    dataHex = dataHex.replace(' ', '')
    dataHex = dataHex.replace('\n', '')
    dataHex = dataHex.replace('\r', '')
    return dataHex 

if __name__ == "__main__":

    parser = argparse.ArgumentParser()
    parser.add_argument("-hx", "--hexdump", help="Hexdump file.")
    parser.add_argument("-wb", "--writebin", help="Binary file to write to.")
    args = parser.parse_args()

    if args.hexdump:

        extracted = extract_hex(args.hexdump)

        if args.writebin:

            with open(args.writebin, "wb") as fd_out:
                chunk = binascii.unhexlify(extracted.rstrip())
                fd_out.write(chunk)
        else:
            print(extracted)