I used to be able to use the output setting to send an image render to a file name
and format of my choice, when doing an image render. Now, I have to save
my image secondarily after render in the internal image editor.
-What went wrong? How may I have blender write my image file via the output setting again?
-It is possible to run blender from the command line. How may I get blender to
background render a file which is only a single image, when in this command line