I agree. If you want that functionality your text editor probably has it or a plugin for it - which will be much more efficient. In sublime for example, Ctrl+F

I agree. If you want that functionality your text editor probably has it or a plugin for it - which will be much more efficient. In sublime for example, Ctrl+F2 marks a line, and F2 toggles between marked lines. (Ctrl+F2 removes the mark as well).