Re: Insert the directory of the current buffer in command line mode

On 05/05/12 20:27, kuaf wrote:
> I saw one line command map used to insert the directory of the current
> buffer in command line mode in steve losh's vimrc:
>
> cnoremap <expr> %% getcmdtype() == ':' ? expand('%:h').'/' : '%%'
>
> I imagined it would insert directory of the current buffer when enter
> %% in command mode. But it seemed not work as I imagine. So what I
> missed?

Are you referring to Normal mode as "command mode"? (a common
misnomer). It should perform as advertised: you press ":" to enter
Command mode and then type "%%" and it expands to the relative path
of the current file. Things to watch:

1) it guards against a search command-mode (entered via either "/"
or "?")

2) the behavior may or may not be what you expect if you aren't
currently in a buffer that maps to an existing buffer (such as
'buftype' being one of several non-empty cases)


If you understood the above and it's still not working, check it
with "vim -u NONE" to make sure configuration isn't interfering. It
Works For Me™.

-tim


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