[luatex] Prevent stop when tiff file loads
phg at phi-gamma.net
Fri Jan 22 07:45:34 CET 2016
···<date: 2016-01-21, Thursday>···<from: luigi scarso>···
> On Thu, Jan 21, 2016 at 10:10 PM, Patrick Gundlach <patrick at gundla.ch>
> > >> Is there a way to prevent LuaTeX from stopping the whole process? Is
> > there a function like
> Why not mimic the Unix file command in Lua ?
This is less trivial than it’d appear: file(1)’s recognition
magic has been improved and battle-tested over the years. It’ll
be hard to arrive at that level with a custom implementation,
especially from a security standpoint: Scanning a well prepared
user-supplied file can DOS your machine. Why not invoke file (or
perhaps identify(1)) directly?
(A Lua implementation of file would be interesting though =))
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