This reminds me of the time a younger coworker asked me if there's a way to run a diff without putting the files in a git repo first. Some questions never even

This reminds me of the time a younger coworker asked me if there's a way to run a diff without putting the files in a git repo first. Some questions never even occur to us geezers to ask... (Not razzing you or anything; I just genuinely found that question startling, having started programming in the 1990s.)