get modeled device count over time

modeledDevicesCount.py

#!/usr/bin/env python

import glob
import os
import cPickle as pickle

pattern = '/'.join((os.environ['ZENHOME'], 'var/zenmodeler_*',))

files = glob.glob(pattern)

modeledDevicesCount = 0
for filename in files:
    counters = pickle.load(open(filename))
    modeledDevicesCount += counters['modeledDevicesCount']

print 'modeledDevicesCount: %d' %  modeledDevicesCount