If you have Nautilus as the filemanager, you can write a Nautilus script that does this for you, you just then have to right click and select the script. You can run essentially any script this way, I use it for some preset file conversions.

First paragraph is entirely nonsense, second paragraph is more accurate.

EM/matter interaction is what you are concerned with. The type of interaction is dependent on the substance and the frequency of the EM field. It’s perfectly possible to have extremely high amplitude radiation with no interaction, so the idea that you would get “cooked” regardless is complete nonsense.