docs: def do_import(self, line):
          "import [:tablename] filename|list"
          table, line = self.get_table_params(line)
          if line[0] == '[':
              list = self.get_list(line)
          else:
              with open(line) as f:
                  list = self.get_list(f.read())
  
          items = 0
          consumed = 0
  
          for item in list:
              table.put_item(item)
              #consumed += item.consumed_units
              items += 1
              print item['id']
  
          print "imported %s items, consumed units:%s" % (items, consumed)