  if options.check_chain:
    check_block_chain(db_env)

  if options.dump_blkindex:
    dump_blkindex_summary(db_env)

  if options.dump_transaction is not None:
    dump_transaction(db_dir, db_env, options.dump_transaction)

  if options.dump_block is not None:
    if len(options.dump_block) < 7: # Probably an integer...