querying the version of external tools/drivers

[Ulrike Fischer]

Am Fri, 4 Sep 2020 23:29:57 +0900 schrieb Hironobu Yamashita:

>> 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).

Nice idea, that will solve the dvipdfmx case. 

-- 
Ulrike Fischer 
http://www.troubleshooting-tex.de/