this post was submitted on 20 Oct 2023
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Delete backup files when saving (alien.top)
submitted 1 year ago by usuario1986@alien.top to c/emacs
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Hi.

Still learning Emacs but happy with it so far. One thing i'm trying to find out is this. I'm OK with Emacs creating recovery files from which i can, well, recover my work after emacs is closed. However, if I save my files, I have no need for these #filename# or filename~ files that populate my folders. Is there a way to make emacs keep creating these recovery files, but deleting them if I *save* my actual files?

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[–] sandbox_actual@alien.top 1 points 1 year ago

First, for making sure the autosave files—the ones prefixed and suffixed by "#"—are cleaned up, ensure that delete-auto-save-files is non-nil (the default) and, if using Emacs 28 or later, set kill-buffer-delete-auto-save-files to non-nil (that would normally be t). As for the backup files ending in "~", those are created on saving a modified file by default and their creation is disabled by setting make-backup-files to a non-nil value.

All of this can be achieved, assuming you're using Emacs 28 or later, by adding

;; Disable backup files.
(setf make-backup-files nil)
;; Prompt to delete autosaves when killing buffers.
(setf kill-buffer-delete-auto-save-files t)

to your init file.