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Re: insert-directory
From: |
Luc Teirlinck |
Subject: |
Re: insert-directory |
Date: |
Thu, 27 May 2004 10:51:39 -0500 (CDT) |
Kai Grossjohann wrote:
Luc Teirlinck <address@hidden> writes:
> 3. Making `i' work _absolutely perfectly_ in _every possible aspect_
> seems theoretically impossible, because the buffer is not in
> dired-mode.
I wonder if it makes sense to have the locate output look more like
the find-dired output? Then the buffer could be in dired mode
normally. (One could call file-attributes on each filename returned
by locate and construct "ls -l" like output from that.)
I am afraid that would force a complete rewrite of locate.el.
In spite of my theoretical concerns above, things seem to work well in
practice. I am a little bit reluctant to post a new patch each time a
make a further minor change but I added:
(setq selective-display t)
(set (make-local-variable 'page-delimiter) "\n\n")
and after that, the parts inserted by `i' are pretty much in
dired-mode. The reason why those parts can be while the main listing
is not are the "\\|" in the regular expressions.
That leaves us with the one problem we can not get around:
parts of the dired-code that do:
(if (eq major-mode 'dired-mode)
and the like.
There are several places like that in dired-aux and dired-x, but at
first sight they do not seem applicable. The one place in dired.el
itself is `dired-sort-other':
(if (eq major-mode 'dired-mode) (dired-sort-set-modeline))
But (dired-sort-set-modeline) _really_ only makes sense if the buffer is
in dired-mode.
After adding the two lines above, the only dired commands that seem to
produce problems are the updating commands `g' and `l' (on a directory
header line). `g' in locate-mode will produce problems anyway, unless
you are running as root. If you are not you get:
fatal error: updatedb: You are not authorized to create a default
slocate database!
Actually, the trouble with `l' (or the remaining problem with `g', if
you are root) are a dired problem. Dired does not store the switches
used for a subdirectory. (I believe that, sooner or later, this
should be fixed.) As a result, not only does `l' on a directory
header line give problems in *Locate* and (after applying the patch
for find-dired I posted) in *Find* buffers, but it gives problems in
ordinary dired buffers as well if `C-u i' was used. In particular,
`C-u i' does not work in a dired buffer in which auto-revert-mode is
enabled. The switches get overridden after 0 to 5 seconds.
Auto-reverting does not work in *Locate* or *Find* buffers anyway.
Sincerely,
Luc.
- Re: insert-directory, (continued)
- Re: insert-directory, Luc Teirlinck, 2004/05/23
- Re: insert-directory, Luc Teirlinck, 2004/05/24
- Re: insert-directory, Luc Teirlinck, 2004/05/24
- Re: insert-directory, Luc Teirlinck, 2004/05/24
- Re: insert-directory, Luc Teirlinck, 2004/05/24
- Re: insert-directory, Luc Teirlinck, 2004/05/24
- Re: insert-directory, Luc Teirlinck, 2004/05/26
- Re: insert-directory, David Kastrup, 2004/05/26
- Re: insert-directory, Luc Teirlinck, 2004/05/26
- Re: insert-directory, Kai Grossjohann, 2004/05/27
- Re: insert-directory,
Luc Teirlinck <=
Re: insert-directory, Richard Stallman, 2004/05/25