demodeleter.py

import re
import os
from collections import OrderedDict
#configuration

KillStreakFile = "/home/barnex/test/KillStreaks.txt"
DemoDirectory = "/home/barnex/test"

KillStreakRegex = "\"(.*)\""
DemoFileExtension = ".dem"

demos_with_killstreaks = []

f = open(KillStreakFile, 'r')

for line in f:
  m = re.search(KillStreakRegex, line)
  if m:
    demos_with_killstreaks.append(m.group(1) + DemoFileExtension)

f.close()

demos_with_killstreaks = OrderedDict.fromkeys(demos_with_killstreaks).keys()
print "keeping %d demos" % len(demos_with_killstreaks)

files_to_delete = [file for file in os.listdir(DemoDirectory) if (file.lower().endswith(DemoFileExtension) and not file in demos_with_killstreaks)]
files_to_delete.sort()

for file in files_to_delete:
  print "deleting: %s" % file
  os.remove(DemoDirectory + "/" + file)