Re: Emacs equivalent of the ":g" command in vi

[Eric Abrahamsen]

On Fri, Jul 22 2011, C K Kashyap wrote:

>     > which could be as simple as in vi/vim.)
>     I think he want to delete lines matching a regexp, so C-k is not
>     what he
>     wants here.
>    
>     `query-replace-regexp' can be used with a regexp like this:
>    
>     ^.*\(your_regexp\).*$
>    
>     and you replace with nothing (empty prompt).
>    
>     --
>
>
> replace-regexp is indeed closer to what I am looking for. However,
> I'd like the result to not leave blank lines.
>
> Regards,
> Kashyap 

Isn't this what flush-lines and keep-lines are for?