text: ##################################################################
  # view any existing shelve directly; this is more general than a
  # "formtable.py shelve 1 filename" cmdline--only works for Actor;
  # pass in a filename (and mode) to use this to browse any shelve:
  # formtable auto picks up class from the first instance fetched;
  # run dbinit1 to (re)initialize dbase shelve with a template.
  ##################################################################
       
  from sys import argv
  from formtable import *
  from formgui import FormGui
       
  mode = 'class'
  file = '../data/mydbase-' + mode
  if len(argv) > 1: file = argv[1]                  # dbview.py file? mode??
  if len(argv) > 2: mode = argv[2]
       
  if mode == 'dict':
      table = ShelveOfDictionary(file)              # view dictionaries
  else:
      table = ShelveOfInstance(file)                # view class objects
       
  FormGui(table).mainloop()
  table.close()                                     # close needed for some dbm
  