[zl stream] ? or [zl slice] ?

Sort of, except not requiring a list as input, rather a stream of integers.

Thanks though

as ch mentioned, have a look at zl stream.

The only issue is I need to be able to specify the list length afterwards - rather than waiting for n items, i want to be able to say "fetch me the last n items" at any point. I didn't think zl.stream did that, but I am very likely to be wrong!