Re: from the old vi faq

On Sun, Sep 30, 2018 at 5:17 PM Mikolaj Machowski <mikmach@gmail.com> wrote:
>
> On Sunday, September 30, 2018 at 9:15:36 AM UTC+2, Eli the Bearded wrote:
> >
> > :v/./$s/$/<ctrl-v><enter>./|'';/./-1j|$d
> > Replaces multiple blank lines with just one blank line.
>
> What's wrong with:
>
> :%s/\n\n\+/\r\r/
>
> ?
>
> m.

or with :%s/^\_s*\n/\r

(to replace any number of consecutive lines containing only whitespace
by just one empty line) ?

Variation: the same, plus suppress end-of-line whitespace:

:%s/\_s*\n/\r

(both of these use the fact that * means "as many as possible")

Best regards,
Tony.

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