text: #!/usr/bin/env python
  
  from I3Tray import *
  
  from os.path import expandvars
  
  import os
  import sys
  from glob import glob
  
  from icecube import dataclasses 
  from icecube import dataio 
  
  tray = I3Tray()
  
  #  use 'glob' to convert the string with the 'star' in it to a list of real filenames
  file_list = glob("testmulti.*.i3")
  
  #  puts them in alpha/numeric order 
  file_list.sort()
  
  print(file_list)
  tray.AddModule("I3Reader", FilenameList = file_list)
  
  tray.AddModule("Dump")
  
  # verify that 23 frames come through.
  tray.AddModule("CountFrames",
      DAQ = 10,
      Physics = 10,
      Calibration = 1,
      DetectorStatus = 1,
      Geometry = 1
      )
  
  tray.Execute()
  