[Gmsh] How to generate .png files for all .geo files in a directory.

[Mark Starnes]

Hi everyone,

I have hundreds (well, more) of .geo files and I was wondering if there was a 
way to
call, from the command line, gmsh such that a two dimensional mesh is created 
and
the output saved as a .png, for viewing with a thumbnail viewer.  I can create 
the mesh
from the command line ok, but when I specify an output filename, a mesh is 
being saved
when I specify .png as the extension.  I think this is the expected behaviour 
(from reading
the manual).

Is it possible to generate images in this way?

Best regards,

Mark.
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