Can one make Eye of Gnome detect file type rather than use suffix?

[Chris Green]

On Thu, Jul 11, 2019 at 12:44:12PM +0200, Liam Proven wrote:
> On Thu, 11 Jul 2019 at 12:36, Chris Green <cl at isbd.net> wrote:
> 
> > Yes, of course I can save the file, then rename it, then print it, but
> > that's rather a lot of hassle when all I wanted to do was print an
> > image someone had E-Mailed to me.
> 
> You didn't mention that you were trying to print directly from an email!
> 
> What email program are you using? Can't you tell it to use a different
> image viewer?
> 
Er, this is sort of where we came in! :-)

I'm using mutt and (via .mailcap) it was by default using ristretto,
I just need to change .mailcap accordingly.  I'm currently using
nomacs which is OK[ish] but rather a complex application for simply
viewing and printing.

-- 
Chris Green