For my personal usecase i need to transfer the downloded data to different nas boxes here at home.
It is possible and a performancegain to do so. Sabnzbdplus allways waits for script and (child/sub)processes to finish.
Scripts are working it gets everything done as ecxpected but i need asynchronus behavior.
Haven't checked if this works, but my first thought would be to simply use the script called from sab to run another one in the background. On the command line at least, something like this would return immediately: