Quote: Thank you alot everyone for your kind suggestions. Rich2005,can you please help me in commands executing those 3 scripts in zipped folders shared by you.
I can not help with the code you posted, I thought you might look at those script-fu and incorporate into your code. Maybe that is not possible.
The scripts can only process a single file at a time. Unzip and put the three in C:\Users\"yourname"\AppData\Roaming\GIMP\2.10\scripts
Then apply one at a time as the example I posted https://i.imgur.com/ghBxhvm.mp4
one-image-at-a-time is the best I can suggest and because of that script #3 not really required since you can apply a layer mask from Layer > Mask menu to get to your two layer example