Since I am a noob on MacOs platform would you please elaborate where/how to find that shell script file too? Despite I find myself quite savvy with linux platforms, I cannot come to grips with MacOs. Thank you!....

Never mind I have found it. It is in the project folder. Just search/find files starting with "Pod-" and you will find it. However since I am senior(ish) citizen, I have difficulty using this tiny screened MacBook Air. If I can afford a new one I will buy a giant Mac. Now I will try to test your solution.

This was the simplest solution that worked for me. However size of image sometimes can be problematic. I am trying to find out a solution to get screen size so my screen captures were better.