On 06/02/10 02:25, Girish Venkatasubramanian wrote:
Hello,
I decided to make me a nice vimrc file. But I am stuck at two spots
and will appreciate any advice/tips on how to get these working.
1) Automatic retab (What I would like to do is to automatically retab
every file that I open). Initially, I had
if has("autocmd")
au BufReadPost * retab
endif
but this complained when I was opening unmodifiable buffers like
"help:retab". Then I changed this to
if&modifiable
if has("autocmd")
au BufReadPost * retab
endif
endif
but still executing "help:retab" complains about
Error detected while processing BufRead Auto commands for "*":
E21: Cannot make changes, 'modifiable' is off: retab
I am currently working around this by asking vimrc to retab only
specific types of files like *c, *cpp etc
2) I can reformat the entire document according to my formatoptions by
gggq<Shift+g>. Is there any way I can do this from vimrc instead of
manually typing n the command every time I open a file?
Thanks.
An answer has been given, but what you're requesting here makes me
shudder: except for 'nomodifiable' files, but for all other files
including 'readonly' ones (either because the medium is readonly, or the
file has readonly attributes, or even because you opened it with :view
rather than :edit for the exact purpose of _not_ changing it) the first
thing that Vim will do, without asking for confirmation, is modify the
files by changing tabs to spaces or vice-versa, and even reformatting
the text, and that all over the place! When I use Vim to examine its own
sources (for example), I don't want it to change any file one single bit
without my positive, explicit and specific say-so (which I don't "say"
very often), and even if I do change a bit of code here or there to test
a proposed bugfix, I wouldn't dream to meddle with Bram's coding style
at the risk of making all future patches fail (because they are based on
whatever there used to be, and are unaware of any "reformatting").
One slightly better solution (than the answer you got) would be to write
the autocommand as (for example)
:au BufReadPost * if &ma && ! &ro | DoSomething | endif
but IMHO it would really be better to have no automatic action at all,
but, let's say,
:map <F6> :retab<CR>
:map <S-F6> gggqG
(or vice-versa if you think you reformat oftener than retab, or any
other {lhs} that strikes your fancy) so Vim would not clobber each and
every file that it opens, but you're still only one keypress away from
your favourite reformatting when you _really_ want it.
Best regards,
Tony.
--
"... the Mayo Clinic, named after its founder, Dr. Ted Clinic ..."
-- Dave Barry
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