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Re: Autosave and filename too long

From: Matt Muggeridge
Subject: Re: Autosave and filename too long
Date: Thu, 24 Oct 2002 08:59:38 GMT


Thanks for making the octothorpe go away!  The auto-save feature is now

On to the next hurdle...

The recover feature of emacs is still searching for files of name #foo.c#.
So after  a quick test, I tried to recover foo.c (I first verifed the
contents of "OCTOTHORPEfoo.cOCTOTHORPE" existed and contained 'lost' edits).
The recover operation complained with:

    Auto-save file /usr/users/muggerid/kingsx/#foo.c# not current

Now that auto-save is working, what is needed to make recover aware of this
new auto-save file name format?


"Michael Slass" <> wrote in message
> "Matt Muggeridge" <> writes:
> >Hi,
> >
> >My auto-save fails with the error:
> >
> >    Auto-saving foo.c: Opening output file, file name too long:
> >/usr/users/muggerid/kingsx/#foo.c#
> >
> >That is a filename of just 34 characters.  My suspicion is that the '#'
> >character is causing me problems, since "kingsx" is a mount point, which
> >mount a VMS filesystem.  In lieu of any other suggestions on how to fix
> >this, I would like to try changing the "#" character to learn if it makes
> >difference.
> >
> >Thanks,
> >Matt.
> (defadvice make-auto-save-file-name (after auto-save-remove-hash-mark ())
>   "return an autosave file name, replacing \"#\" with \"OCTOTHORPE\""
>   (setq ad-return-value
>         (replace-regexp-in-string "#" "OCTOTHORPE" ad-return-value)))
> (ad-activate 'make-auto-save-file-name)
> (defun auto-save-file-name-p (filename)
>   "Return non-nil if FILENAME can be yielded by
> FILENAME should lack slashes.  You can redefine this for customization."
>   (string-match "^OCTOTHORPE.*OCTOTHORPE$" filename))
> This advice will change "#" to "OCTOTHORPE" in the
> auto-save-file-name, so you'll get save files like
> /usr/users/muggerid/kingsx/OCTOTHORPEfoo.cOCTOTHORPE
> That's much longer than you had, but doesn't contain the "#"
> character, so you'll know right away if that was the culprit.
> I've redefined auto-save-file-name-p (which you're allowed to do) so
> that you can recover these auto-save-files.
> --
> Mike Slass

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