or even drt Properties SETLABEL=Red C:\Users-\Desktop\1.txt
much more simple if possible?
I know I can set an alias for myself but I think most dopus users aren't aware of the command line options until at least a few years of use so that would be a good way to give it more visibility and accessibility?
Because most people don't run DOpusRT manually (you can run the commands inside Opus more easily, so there isn't much point) and using the full path in other software's configuration/scripts/batch files is not a problem and also more reliable.
It's generally bad to add directories to the global system PATH unless they're actually needed in an interactive Command Prompt, which DOpusRT isn't. Every thing added to it is the potential for something aiming to run one command to accidentally end up running another.
(Within Opus buttons, you can already use "DOpusRT" on its own without specifying the full path, as a convenience.)