I was looking for a package that would do side-by-side comparisons of two files and allow me to make targeted changes (merge) of the content of one into ...
Open the two files you want to compare in Sublime Text. You can do this by either dragging and dropping the files into Sublime Text or using the File > Open ...
Open your files: Navigate to the files you want to compare using the File menu or drag and drop them into Sublime Text. Activate the comparison: Go to the View menu, select Compare, and choose Compare Side-by-Side .