import h5py
import numpy
import sys
import re

def addghosts(dset):
        #if(re.search("c=", dset)):
                        print dset
                        del f[dset].attrs["cctk_nghostzones"]

for fn in sys.argv[1:]:
  print "file: %s" % fn
  f = h5py.File(fn, 'a')
  f.visit(addghosts)