You may already know, but in case not, you can also use this tmux feature from your editor. For example in vim :w !tmux load-buffer - Writes whatever you h

You may already know, but in case not, you can also use this tmux feature from your editor. For example in vim :w !tmux load-buffer - Writes whatever you have selected in vim into the tmux buffer through standard in. Elsewhere you can paste like pbpaste. :r !tmux save-buffer - The save-buffer command is’t the most intuitive name, but it’s saving to a file, stdout in this case.