# [luatex] read and write streams

Hans Hagen pragma at wxs.nl
Thu Nov 19 12:52:32 CET 2015

```On 11/19/2015 12:19 AM, David Carlisle wrote:
> Hi,
>
> I just noticed (after extending \newread and \newwrite to 128 streams)
> that only write streams are extended and that input streams are still
> restricted to 16.
>
> I could of course undo the change to \newread but it seems strangely unsymmetric
> is there any technical reason in the internals not to allow 128 input streams?

different internals indeed, so for now just 16 input streams (i never
needed that many output streams but i can imagine that some users need
it; i wonder if input streams are used that often)

Hans

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