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Re: find-library-name fails if file (with no extension) exists.
From: |
David Kastrup |
Subject: |
Re: find-library-name fails if file (with no extension) exists. |
Date: |
Wed, 22 Nov 2006 11:03:42 +0100 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.0.90 (gnu/linux) |
Eli Zaretskii <address@hidden> writes:
>> From: David Kastrup <address@hidden>
>> Date: Wed, 22 Nov 2006 01:47:53 +0100
>> Cc: Juanma Barranquero <address@hidden>, Emacs Devel <address@hidden>
>>
>> You can't decide that two file names might indicate the same file
>> without doing an actual file operation. You can't decide whether
>> writing a file would conflict with an existing file without actually
>> doing the write (and asking the operating system to fail in case the
>> file exists). You can't really base any decision on existing file
>> names. As a rule of thumb, if there is a possibility for a race
>> condition, there is a possibility for filename aliasing trouble. And
>> not every potential race condition is a problem.
>
> The same trouble exists with hard links.
No. With a hard link you _can_ decide whether writing a file would
conflict with an existing file without actually doing the write by
looking at the existing file names in the current directory.
>> Things like file name completion are simply something which is
>> impossible to get right.
>
> Really? Then how come this has been satisfactorily solved several
> times already, both in Emacs and in ports of Bash?
It has?
So why do I get "No Match" when typing
C-x C-f /c/my docu <TAB>
when there is a directory
/c/My Documents/
and opening
/c/my documents/test.tex
works. And why doesn't Emacs realize that it already has this file
open when I now do
C-x C-f /c/My Documents/test.tex RET
and opens another buffer for it?
I don't see this as a satisfactory solution.
--
David Kastrup, Kriemhildstr. 15, 44793 Bochum
- Re: find-library-name fails if file (with no extension) exists., (continued)
- Re: find-library-name fails if file (with no extension) exists., David Kastrup, 2006/11/21
- Re: find-library-name fails if file (with no extension) exists., Lennart Borgman, 2006/11/21
- Re: find-library-name fails if file (with no extension) exists., David Kastrup, 2006/11/21
- Re: find-library-name fails if file (with no extension) exists., Lennart Borgman, 2006/11/21
- Re: find-library-name fails if file (with no extension) exists., David Kastrup, 2006/11/21
- Re: find-library-name fails if file (with no extension) exists., Eli Zaretskii, 2006/11/21
- Re: find-library-name fails if file (with no extension) exists., Juanma Barranquero, 2006/11/22
- Re: find-library-name fails if file (with no extension) exists., David Kastrup, 2006/11/22
- Re: find-library-name fails if file (with no extension) exists., Eli Zaretskii, 2006/11/22
- Re: find-library-name fails if file (with no extension) exists., Eli Zaretskii, 2006/11/21
- Re: find-library-name fails if file (with no extension) exists.,
David Kastrup <=
- Re: find-library-name fails if file (with no extension) exists., Lennart Borgman, 2006/11/22
- Re: find-library-name fails if file (with no extension) exists., David Kastrup, 2006/11/22
- Re: find-library-name fails if file (with no extension) exists., Eli Zaretskii, 2006/11/22
- Re: find-library-name fails if file (with no extension) exists., David Kastrup, 2006/11/22
- Re: find-library-name fails if file (with no extension) exists., Eli Zaretskii, 2006/11/22
- Re: find-library-name fails if file (with no extension) exists., Jan Djärv, 2006/11/24
- Re: find-library-name fails if file (with no extension) exists., Eli Zaretskii, 2006/11/22
- Re: find-library-name fails if file (with no extension) exists., David Kastrup, 2006/11/22
- Re: find-library-name fails if file (with no extension) exists., Eli Zaretskii, 2006/11/22
- Re: find-library-name fails if file (with no extension) exists., Eli Zaretskii, 2006/11/21