Re: How to remove empty lines except of one

On Jul 18, 12:46 pm, Ben Fritz <fritzophre...@gmail.com> wrote:
> On Tuesday, July 17, 2012 7:27:42 PM UTC-5, Bee wrote:
> > This will collapse multiple blank lines,
> > remove trailing white space, and
> > leave only one blank line at the end of file.
>
> > %s-\_s\+$-\r
>
> > Bill
>
> I found the problem with this one. :help /$ indicates that the $ is zero-width, so the end of line is not included in the match, therefore on the two blank lines at the beginning of the file, only the first is included in the match.
>
> So, this works exactly as I think it should:
>
> %s-\_s\+\n-\r
>
> Note this is almost identical to my first proposed solution, except that it is missing the beginning of line anchor. I'm not sure what makes it fail with the ^ in place.

osx terminal vim 7.3.584

%s-\_s\+\n-\r

Removes ALL blank lines,
rather than collapsing multiple blank lines into one 'blank' line.

I still want one blank line between 'paragraphs'.

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