Re: increasing/reducing the number of leading white spaces dynamically

On 11/03/11 15:20, Jose Caballero wrote:
>> that trigger on BufWritePre and BufWritePost, something like (untested)
>>
>> autocmd BufWritePre *.py %s/^\( \{8}\)\+/\=substitute(**submatch(0),
>> repeat(' ', 8), repeat(' ', 4), 'g')
>>
>> autocmd BufWritePost *.py %s/^\( \{4}\)\+/\=substitute(submatch(0),
>> repeat(' ', 4), repeat(' ', 8), 'g')
>
> OK. The key thing is autocmd. Now I have something to start with.
>
> However, looking at these two things, I get confused.
> The first one makes sense. Just before "saving" the buffer on disk it
> changes 8 spaces by 4. Good.
> But the second one ... shouldn't it be something like BufRead<whatever> in
> order to expand 4 spaces to 8 when I start editing the file?

You might want one of those too, using the BufRead event. The
above two just do

1) change to 4-space
2) write to disk
3) change back to 8-space

However, you might also want to do the same as the BufWritePost
for the BufRead event so that when you start-up with the file, it
converts it into your preferred format.

-tim

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