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?

  • sandbox_actual@alien.topB
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    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.

  • vecksagos@alien.topB
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    1 year ago

    there is some ways to solve this, one is not creating this kind of files, not recommended, another way is changing the path are this is saved, setting `backup-directory-alist` and `auto-save-file-name-transforms` you can change where this files is stored, you can also use no-litterring to this.

  • 7890yuiop@alien.topB
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    1 year ago

    Autosaves aren’t needed once you’ve saved – but emacs should already be removing them when you save your changes.

    Backups are very specifically protecting you from the situation where the thing you saved was wrong. If you think that’s useless, you haven’t understood the purpose.

    • SnooPets20@alien.topB
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      1 year ago

      That’s what git is for, or just having undo-tree from which the file can be reverted to a previous state.

      I tried to keep auto-saves and backup files in their own separate directory, since they always litter my projects which is annoying, but they just won’t listen, I have to disable them.

      • 7890yuiop@alien.topB
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        1 year ago

        That’s what git is for

        Even for files which are being tracked in version control, I don’t agree that VCS always replaces backups. In some cases, yes; but backups are to protect me from data loss, and I want that protection in more situations than VCS gives me.

        or just having undo-tree

        I assume you mean “with a persistent undo record”, which is another form of backup file, so sure – whichever kind(s) of backup you prefer. Personally I believe I’d still want regular backups even if I used that – if I can’t trivially grep or compare old versions, I’d feel I’m missing a capability.

        I tried to keep auto-saves and backup files in their own separate directory, since they always litter my projects which is annoying, but they just won’t listen, I have to disable them.

        I keep all backups in a separate directory, and I do not experience your problem, so that sounds to me like a fixable config issue.