> On 12/16/2010 10:35 AM, Anthony Campbell wrote:
> >On 16 Dec 2010, Tim Chase wrote:
> >> :g/\%^\|\n\@<=\s*\n/,/\n\n\|\%$/j
> >
> >Thanks very much - that works perfectly. Now I must try to understand
> >_how_ it works!
>
> It breaks down as
>
> :g/pattern1/action
>
> where pattern1 is "find the beginning of a paragraph" and action is
> "<range>j" to join a range. The range happens to be "from this
> currently-matching line through the last line in the paragraph". If
> you have truly blank lines (no whitespace on them) and blank lines
> at the top and bottom, you could simplify it to something like
>
> :g/\n\@<=\n/,/\n\n/j
>
> instead of messing with the "\%$" and "\%^" (end/start-of-file) and
> attempting to ignore empty-ish (whitespace-only) lines.
>
> -tim
>
Thanks - very illuminating.
--
Anthony Campbell - ac@acampbell.org.uk
Microsoft-free zone - Using Debian GNU/Linux
http://www.acampbell.org.uk - sample my ebooks at
http://www.smashwords.com/profile/view/acampbell
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