querying the version of external tools/drivers

Hironobu Yamashita h.y.acetaminophen at gmail.com
Fri Sep 4 16:29:57 CEST 2020

Hi Ulrike,

> Would it be possible to provide the version info somehow?

I think you can exploit 'extractbb' instead of 'dvipdfmx':
extractbb shares the same binary with (x)dvipdfmx
so the version number is printed, and it is allowed in
restricted shell escape (but only since TL2015).


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