Modification of https://gist.github.com/bruienne/5f84cfa559ca957dc2943c33a3098149, address struct exceptions

find_32bit_revised.py

#!/usr/bin/python

from __future__ import print_function
import os
import sys
import struct
import macholib
from macholib import MachO

input_path = sys.argv[1]

for root, dirs, files in os.walk(input_path):
    for item in files:
        abs_path = os.path.join(root, item)
        if os.access(abs_path, os.X_OK):
            try:
                macho = MachO.MachO(abs_path)
            except (ValueError, KeyError):
                break
            except struct.error:
                print(" struct error handling: %s" % abs_path)

            if len(macho.headers) == 1:
                if not isinstance(macho.headers[0].mach_header(), macholib.mach_o.mach_header_64):
                    print("%s" % abs_path)