new_contents: '''run all examples to make sure we don't get an exception
  
  Note:
  If an example contaings plt.show(), then all plot windows have to be closed
  manually, at least in my setup.
  
  uncomment plt.show() to show all plot windows
  
  '''
  
  stop_on_error = False #True
  
  
  filelist = ['example_glsar.py', 'example_wls.py', 'example_gls.py',
              'example_glm.py', 'example_ols_tftest.py', #'example_rpy.py',
              'example_ols.py', 'example_ols_minimal.py', 'example_rlm.py',
              'example_discrete.py', 'example_predict.py',
              'example_ols_table.py',
              'tut_ols.py', 'tut_ols_rlm.py', 'tut_ols_wls.py']
  
  #temporarily disable show
  plt_show = plt.show
  def noop(*args):
      pass
  plt.show = noop
  
  cont = raw_input("""Are you sure you want to run all of the examples?
  This is done mainly to check that they are up to date.
  (y/n) >>> """)
  if 'y' in cont.lower():
      for run_all_f in filelist:
          try:
              print "\n\nExecuting example file", run_all_f
              print "-----------------------" + "-"*len(run_all_f)
              execfile(run_all_f)
          except:
              #f might be overwritten in the executed file
              print "**********************" + "*"*len(run_all_f)
              print "ERROR in example file", run_all_f
              print "**********************" + "*"*len(run_all_f)
              if stop_on_error:
                  raise
  
  #reenable show after closing windows
  plt.close('all')
  plt.show = plt_show
  plt.show()
  
subject: Move run_all to new examples directory