text: #!/usr/bin/env python
  import os
  import sys
  import glob
  import doctest
  
  sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
  
  os.chdir(os.path.dirname(__file__) or '.')
  
  def testall():
      for file in glob.glob(os.path.join(os.path.dirname(__file__), "*.txt")):
          print "Testing %s..." % file
          doctest.testfile(os.path.join(".", os.path.basename(file)))
  
  if __name__ == "__main__":
      testall()
  