[luatex] writing in output files

[Hans Hagen]

Elie Roux wrote:
> Hello,
> 
> How can we write with pure lua in a file opened with TeX? What I'd like 
> to do is something like
> 
> \openout2=test2.aux
> \write2{tutu}
> titi
> \directlua0{texio.write(2, "titi")}
> \bye
> 
> Of course, texio.sprint("\write2{titi}") is forbiden, as the idea would 
> be to eventually overwrite \write...

tex.sprint("\write2{titi}")

is ok and of course you can use io.open and friends

Hans


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