It seems that Cycles is mainly built in the form of Python scripts (as far as I can tell). Is it still possible to use Cycles to render a
.blend file from the command line?
Yes you can, This will render a single frame
blender --background filename.blend --render-output //test_ --engine CYCLES --render-format PNG --use-extension 1 --render-frame 5
This will output a file named
While experimenting, I more or less substituted
CYCLES with the parameters I found here. You can check the link to see what they mean and or do.
Here is an overview of (near) all command line options for Blender:
blender -b file.blend -o //file -F JPEG -x 1 -f 1