def dump(self, file_name, page_size=10, vtimeout=10, sep='\n'):
        fp = open(file_name, 'wb')
        n = 0
        l = self.get_messages(page_size, vtimeout)
        while l:
            for m in l:
                fp.write(m.get_body())
                if sep:
                    fp.write(sep)
                n += 1
            l = self.get_messages(page_size, vtimeout)
        fp.close()
        return n
createAliasRow( alias: core.mashup.Alias) -> AliasItem
dataset/ETHPy150Open darcyliu/storyboard/boto/sqs/queue.py/Queue.dump--crossover with--dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/mashups/alias_list.py/QAliasList.createAliasItem