Re: Retrieve the argument of a prior Ex mode command

On Sat, Jan 21, 2012 at 09:37:14PM EST, John Little wrote:
> On Jan 18, 3:04 pm, Chris Jones <cjns1...@gmail.com> wrote:

> > At the bash prompt, I often use the [Alt+.] keyboard action to
> > retrieve the argument of a prior command from the bash history
> > list...

> That key combination works in bash's emacs mode. If you use vim a
> lot, you may find that
>
> set -o vi
>
> in your .bashrc (or whatever you have) lessens the harshness of the
> context switch when using bash.

I once tried to switch to vi-mode in bash and I rather liked it. Kept
intruders in awe & stopped everybody trying to hijack my terminal/shells
for one thing...

What eventually made me go back to bash's default emacs-mode editing was
that.. Vim's ex-mode doesn't have a vi-mode..!

In other words, I was using vi-mode line editing in bash but when I was
using Vim's command-line, I had to switch context, back to (a somewhat
crippled) emacs-mode..

Kinda silly, don't you think..?

Of course, I proceeded to experiment with the 'q:' command-line window..
and I still use it occasionally because it's really sweet when you're
working with complex commands.. regex's and such... But way too slow for
the trivial stuff.

I eventually decided to switch back to bash's default emacs-mode line
editing tactics and added the familiar mappings to enhance Vim's ex-mode
editing:

| cnoremap <C-O> <C-D>¹
| cnoremap <C-D> <Del>¹
| cnoremap <C-A> <Home>
| cnoremap <C-B> <Left>
| cnoremap <C-E> <End>
| cnoremap <C-F> <Right>
| cnoremap <C-N> <Down>
| cnoremap <C-P> <Up>
| cnoremap <Esc>b <S-Left>
| cnoremap <Esc>f <S-Right>

Come to think of it, it's rather odd that nobody ever thought it was
worth their time writing a script that emulates bash's vi mode editing
in Vim's ex-mode..

Maybe someone did, and I never knew about it..?²

CJ

¹ Reassigning... Couldn't do without it..

² Another bash/vim consistency enhancement that comes to mind: cmap
<C-R> to search the command history for the word under the cursor.
Requires remapping <C-R> to something else, naturally..

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