On 07/10/08 19:49, Gary Johnson wrote:
> On 2008-10-07, Tony Mechelynck<[EMAIL PROTECTED]> wrote:
>> On 07/10/08 16:08, Bob Hiestand wrote:
>>> On Tue, Oct 7, 2008 at 8:57 AM, A. S. Budden<[EMAIL PROTECTED]> wrote:
>>>> 2008/10/7 Bob Hiestand<[EMAIL PROTECTED]>:
>>>>> You could do something like the following (untested):
>>>>>
>>>>> :auto BufRead * if expand('%') =~ '^/some/directory'|set
>>>>> ft=somefiletype|endif
>>>> Wouldn't expand('%:p') be better?
>>>>
>>>> :help expand()
>>> I don't think it matters, as the matching is just testing to see if
>>> the file name starts with that path.
>> I think it does, as the problem was that the match was not found when
>> typing the filename without a path because the file's directory was
>> already current.
>>
>> Example:
>> :lcd /some/dir
>> :e filename.ext
>>
>> then expand('%') is "filename.ext", not "/some/dir/filename.ext". If you
>> test (expand('%') =~ '^/some/dir') it'll return 0 i.e. FALSE.
>>
>> OTOH under the same circumstances expand('%:p') is
>> "/some/dir/filename.ext" and it should work.
>>
>> However, I believe you should test for =~ '^some/dir/' with an ending
>> slash, otherwise you'll also find a match for /some/direction/file.txt
>
> For an autocommand pattern there is no need to expand the filename.
> See
>
> :help autocmd-patterns
>
> where it says:
>
> 2. When there is a '/' in the pattern, Vim checks for a match
> against both the short file name (as you typed it) and the
> full file name (after expanding it to a full path and
> resolving symbolic links).
>
> So the autocommand
>
> auto BufRead /some/directory/* set ft=foo
>
> will be triggered by any of the following:
>
> $ vim /some/directory/myfile
>
> $ cd /some/directory
> $ vim myfile
>
> $ cd /some
> $ vim directory/myfile
>
> Regards,
> Gary
We are not matching against an autocommand pattern here (the autocommand
pattern has been set to * in the autocommand
au BufRead * if expand('%') =~ '^/some/path' | set ft=somefiletype | endif
) so you are beside the point.
We are using a plain ":if" statement in the autocommand to match
expand('%') against a pattern, and there Vim will interpret expand('%')
as the filename as it appears on the status line. If the file's
directory is current, it will not be part of the return value of
expand('%').
If you don't believe me, do the following:
:cd $VIMRUNTIME
:view vimrc_example.vim
:echo expand('%')
Pence gets you pounds it's just plain vimrc_example.vim with no path
shown. So I persist in saying that that autocommand sould be changed to
either
au BufRead * if expand('%:p') =~ '^/some/path/' | set ft=somefiletype |
endif
or, according to what you said above,
au BufRead /some/path/* set ft=somefiletype
Best regards,
Tony.
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