[Dev-luatex] Disable writing to a log file?

[Hans Hagen]

On 10/7/2013 10:26 AM, Patrick Gundlach wrote:

> is it possible to prevent LuaTeX from generating a logfile? Is there a callback for that?

there are still a bunch of writes that have no callbacks (too 
interwoven) but eventually all writes will have callbacks so then you 
can just nil them; currently you can nil most logs and run in batchmode 
which will make the run faster and the log rudimentary (ok, you can pipe 
to null too)

(btw, the current version of luatex is already much more efficient in 
writing to the log than previous versions, so the overhead is not that 
large, if you disable overfull messages, and don't write yourself it's 
close to nothing)

Hans

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