[luatex] too many open files

[Martin Schröder]

2012/5/10 Patrick Gundlach <patrick at gundla.ch>:
> I use img.scan{..} to load the images. Can this make the images to stay open and then to give the error message?
>
> I know this is a vague question, but perhaps someone can still give me a hint.

I know this from pdfTeX: \pdfximage keeps the image open till the pdf
is written out;
\immediate\pdfximage solved this. Don't know how to do that in lua(tex)...

Best
   Martin