Re: rename-file

[Andreas Schwab <schwab@linux-m68k.org>]

Stephen Berman <stephen.berman@gmx.net> writes:

> On Thu, 27 Aug 2009 12:21:36 +0200 Andreas Schwab <schwab@linux-m68k.org> wrote:
>
>>                         There can be only at most one name associated
>> with any buffer.
>
> Isn't it rather "exactly one file name"?  Or is it possible to have
> nameless buffers?

Sure.  See the docstring of buffer-file-name.

>>> 1. C-x C-f bla
>>> 2. C-h v buffer-file-name => bla
>>> 3. M-x rename-file RET blabla
>>> 4. C-h v buffer-file-name => bla
>>>
>>> Surely the return value in step 4 is unwanted, isn't it?
>>
>> The visited name of the buffer didn't change in any way whatsoever.
>
> But that's precisely the problem!

There is no assotiation between a buffer and a file, only between a
buffer and file name.

>> Only set-visited-file-name can do that.
>
> Then it should be made to take effect between steps 3 and 4 above.

No.  That the filesystem changes does not in any way change the
association of a buffer to a file name, just like deleting a file does
not magically kill a buffer.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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