import os
import subprocess
import glob
paths = glob.glob("*.exe")
ida_path = os.path.join(os.environ['PROGRAMFILES'], "IDA", "idaw.exe")

for file_path in paths:
    subprocess.call([ida_path, "-B", file_path])

C:Documents and SettingsAdministratorDesktopdiffpython make-asm.py

Thank you for using IDA. Have a nice day!

C:Documents and SettingsAdministratorDesktopdiff>dir
 Directory of C:Documents and SettingsAdministratorDesktopdiff

10/25/2013  11:16 AM    <DIR>          .
10/25/2013  11:16 AM    <DIR>          ..
10/25/2013  11:16 AM            40,604 a.asm
10/24/2013  08:35 AM             9,938 a.exe
10/25/2013  11:16 AM           368,957 a.idb
10/25/2013  11:16 AM            40,657 b.asm
10/24/2013  08:35 AM             9,969 b.exe
10/25/2013  11:16 AM           368,957 b.idb
10/25/2013  11:15 AM               218 make-asm.py