How to edit a .dll file?

Question

DLL

You need to write a program that will change one number in the .dll file to another.
I do it manually, I just open it with notepad and edit it, but is it possible to write a program that will do all this in one click? Help, where to dig?

Answer 1

1. Google "Working with files" in the selected programming language
2. Do it
3. Profit
1. Find someone who can do it for you
2. Pay
3. Profit

Answer 2

1) bat files
2) ibat files
3) automation tools