Variable: dired-backup-overwrite

dired-backup-overwrite is a customizable variable defined in dired-aux.el.gz.

Value

nil

Documentation

If non-nil, Dired makes backups of files before overwriting them.

By default, Dired asks whether to make a backup file for a file that is about to be overwritten, but if this variable's value is always, that suppresses the confirmation, and backup files are always created.

Source Code

;; Defined in /usr/src/emacs/lisp/dired-aux.el.gz
;;; Copy, move/rename, making hard and symbolic links

(defcustom dired-backup-overwrite nil
  "If non-nil, Dired makes backups of files before overwriting them.
By default, Dired asks whether to make a backup file for a file that
is about to be overwritten, but if this variable's value is `always',
that suppresses the confirmation, and backup files are always created."
  :type '(choice (const :tag "Do not backup files to be overwritten" nil)
		 (const :tag "Always backup files to be overwritten" always)
		 (other :tag
                        "Ask whether to backup files to be overwritten" t))
  :group 'dired)