Re: Lots of temporary files when generating png files

[David Wright]

On Tue 04 Feb 2020 at 20:38:47 (+0000), Kevin Barry wrote:
> > An example where I do have your problem is with pdflatex, which not
> > only writes .aux and .log files, but leaves them world-writeable.
> That's odd! Is it because of your umask?

No. (BTW it's the .aux and .pdf files, not the .log, and the LaTeX
variant is lualatex, successor to pdflatex.) Mine is
$ umask u=rwx,g=rx,o=

The earliest report I saw of the bug was back in 2010:

https://tug.org/pipermail/luatex/2010-September/001998.html

but more recent is:

https://bugs.launchpad.net/ubuntu/+source/texlive-base/+bug/1333016

though I'm using Debian stable, which usually means that bugs occur
later, or have already been fixed by the time stable is released.

My course of action is typically to write a workaround, and then
forget about it. All my scripts and functions call a bash function
-pdfl, which contains my fix. A single location also means I'm
prepared for when the flavour of choice changes from lua…tex
to something else (as happened with pdf…tex).

Cheers,
David.