On 30/03/13 07:35, Hong Xu wrote:
[...]
Hi Tony,
Thanks for your reply.
I have noticed that I can not write to disk if I create a new file in a
non-existing directory; what I am concerning is the unexpected behavior
of `expand('%:p')`. I am currently encountering an issue in my plugin: I
call `expand('%:p')` to obtain the full path, but in the given case
above, I would get a truncated path. So I think this behavior should not
be expected. Do you think so?
Thanks,
Hong
I think that you cannot get the full path if there is no disk path.
Maybe you ought to get '' rather than 'a/a.b'. Or maybe it is intended
(perhaps vi-compatible) behaviour, and you can test the value (on Unix:
either empty, or doesn't start with a slash; on Windows: either empty,
or the second character is not a colon) to determine that you didn't get
a real path. (Empty is for a [No Name] buffer.)
" untested
let filepath = expand('%:p')
if ((has('unix') && (filepath =~ '/.*')) || (!has('unix') && (filepath
=~ '.:.*'))
" we have a real path
else
" we don't
endif
Now that I think of it, a better test might be filereadable() or
filewritable(). Or :w in a try-catch block.
See
:help filereadable()
:help filewritable()
:help :try
Best regards,
Tony.
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