Re: What do you think of new vimpulse-mode which emulates vim keys? (was: Re: need advice about fixing up my new vimpact-mode, a Vim emulation mode based on viper-mode)

["Lennart Borgman (gmail)" <lennart.borgman@gmail.com>]

David Combs wrote:
> In article <1175810013.819910.69920@w1g2000hsg.googlegroups.com>,
> jasonspiro4+moznews@gmail.com <jasonspiro4@gmail.com> wrote:
>> Hi Stianse,
>>
>> On Mar 28, 9:36 am, stia...@gmail.com wrote:
>>> Great, I just recently discovered viper-mode and vimpulse made it even
>>> better.
>> Thank you!  Makes me happy about the time I have spent cleaning up
>> vimpulse.el for the web.  I am CC'ing your feedback to Alessandro
>> Piras and Brad Beveridge (I did not write vimpulse.)
>>
>>> I have only tried it for a couple of days, so I don't have any
>>> constructive feedback at the moment, except one modification I had to
>>> make in vimpulse.el. In order to make it work I had to delete the line
>>>
>>>     'viper--key-maps
>>>
>>> from the function my-get-emulation-keymap(). Without this I got an
>>> error message telling me that viper--key-maps variable was void,
>>> resulting in not being able to do anything in emacs (not even close
>>> the window).  Does this have any impact on the available features in
>>> vimpulse?
>> I doubt it has any impact.  But the fact that vimper initially caused
>> such a serious problem is a serious bug.  Thank you for reporting it.
>>
>> Where did you get your emacs-snapshot package?  Did you build it
>> yourself?  If you built a .deb or an RPM yourself and you still have
>> it handy, would you mind to send me it?  (There are many free file
>> hosting services; try a Google search for "file hosting".)
>>
>> Regards,
>> Jason
>>
> 
> Quick question: does either of them implement the "g" command (not
> suffix), that works like this:
> 
>     g/foo/<some vi/vim command>, eg:
> 
>      g/foo/r more-foo-stuff.txt/
> 
>    (as described in Kernighan's "software tools" book, it
>     does it in two passes: first go through
>     and "mark" each line that matches /foo/,
> 
>     then the 2nd pass: from top to bottom, at
>      ever marked line, execute the command --
> 
>     the neat thing being that if during an earlier part 
>     of that 2nd pass, lines get added or deleted,
>      when it gets to a foo-line further down,
>     it still works, because the "marks" are
>     attached to the lines they're at, and thus
>     "move" along with their lines.
> 
> Anyway, vi and vim certainly have it, but some
> emulators seem to be missing it.
> 
> At least if they did have the g feature, I sure
> couldn't get it work.


I have never heard of the g command before, but it seems useful. So I 
tested it in Viper with the latest CVS Emacs and at least this worked:

    :g/style/s/type/dummy/

Viper is the newest vi emulator in Emacs. I think the others are rather 
obsolete.