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Copy Emacs File Names To The Mac Clipboard

** TL; DR

This copies the name of the current Emacs buffer to the Mac pasteboard.

elisp 
(defun copy-buffer-name-to-osx-clipboard ()
  (interactive)
  (let ((process-connection-type nil))
    (let ((proc (start-process "pbcopy" "*Messages*" "pbcopy")))
      (process-send-string proc (buffer-file-name))
      (process-send-eof proc))))

I load that in my init files and set a hotkey to call it with this :

elisp 
(global-set-key (kbd "C-M-!") 'copy-buffer-name-to-osx-clipboard)

The original version that just does a copy paste to the pasteboard of whatever is selected came from [[https : //gist.github.com/the - kenny/267162][this gist]]. For completeness, it looks like this :

elisp 
(defun copy-from-osx ()
    (shell-command-to-string "pbpaste"))
  
  (defun paste-to-osx (text &optional push)
    (let ((process-connection-type nil))
      (let ((proc (start-process "pbcopy" "*Messages*" "pbcopy")))
        (process-send-string proc text)
        (process-send-eof proc))))
  
  (setq interprogram-cut-function 'paste-to-osx)
  (setq interprogram-paste-function 'copy-from-osx))

I use the evil vim binding so I don't need that version. I also don't totally understand how it works. I just know it does.

Reference :

https : //gist.github.com/the - kenny/267162

https : //emacs.stackexchange.com/questions/10900/copy - text - from - emacs - to - os - x - clipboard