Linux Ubuntu 19.04
Blender hash b'ad16af7a7e35' 2.8
Worked, some versions of 2.8
The script is for solve render output tokens.
In the scene you can find the script.
1 - run script
2 - run ctrl F12.
You will find renders in RENDER folder.
The placeholder name is not the same as render. ($File_001.png vs scenename_001png)
http://pasteall.org/blend/index.php?id=52021 << pasteall alternative