James Dyer has a nice post sharing his frequent dired need to duplicate files. He offers a solution using a custom interactive command. His use-case resonated with me. Similarly, James' recommendation to bind his file-duplicating command to C-c d [^1] sent a signal to my brain triggering Bozhidar Batsov's crux-duplicate-current-line-or-region. crux-duplicate-current-line-or-region is part of a "collection of Ridiculously useful extensions for Emacs" (yeah that's crux). The command itself does...