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gergelypolonkai/open-this-file-as-other-user.el

Created November 10, 2016 10:05
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Emacs: Open the current file as another user
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open-this-file-as-other-user.el
(defun open-this-file-as-other-user (user)
"Edit current file as USER, using `tramp' and `sudo'. If the current
buffer is not visiting a file, prompt for a file name."
(interactive "sEdit as user (default: root): ")
(when (string= "" user)
(setq user "root"))
(let* ((filename (or buffer-file-name
(read-file-name (format "Find file (as %s): "
user))))
(tramp-path (concat (format "/sudo:%s@localhost:" user) filename)))
(if buffer-file-name
(find-alternate-file tramp-path)
(find-file tramp-path))))
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