RE: [h-e-w] Using control keys in bash shell within emacs

[Rajesh J Advani]

I just got used to using C-up, C-down for these. It's pretty neat.
eshell works the way you want it to, though. Up/Down cycles through
history. I find _that_ pretty annoying.

--
Rajesh J Advani
----------------------------
If you can feel the thorns,
there must be a rose nearby.

> -----Original Message-----
> From: Eli Daniel [mailto:address@hidden 
> Sent: Thursday, October 10, 2002 8:01 PM
> To: 'Jeff Rancier'; 'Emacs Help (Windows)'
> Subject: RE: [h-e-w] Using control keys in bash shell within emacs
> 
> 
> You're inside emacs, so C-p (or the up key) just moves you up a line;
> there's a different function for cycling through history.  I too found
> this annoying, so I wrote some code to detect whether I'm at a command
> prompt and, if so, to scroll through history instead of moving the
> cursor when I press the up and down keys.
> 
> The downside to this is that if I really do want to scroll up 
> in a shell
> buffer, I have to either use pgup, or left-arrow so I'm not at the
> prompt before pressing the up key.
> 
> Anyway, here's the code... hope it's useful:
> 
> ;; move cursor to the previous line or get previous history item,
> depending
> ;; on whether we're at a shell mode prompt
> (defun ewd-comint-up (arg)
>   (interactive "p")
>   (if (comint-after-pmark-p)
>       (comint-previous-input arg)
>     (previous-line arg)))
> 
> ;; move cursor to the next line or get next history item, depending
> ;; on whether we're at a shell mode prompt
> (defun ewd-comint-down (arg)
>   (interactive "p")
>   (if (comint-after-pmark-p)
>       (comint-next-input arg)
>     (next-line arg)))
> 
> ;; bind my special functions to the up and down keys in shell-mode
> (add-hook 'shell-mode-hook
>           (lambda ()
>             (define-key shell-mode-map [up] 'ewd-comint-up)
>             (define-key shell-mode-map [down] 'ewd-comint-down)))
> 
> 
> -Eli Daniel
> 
> -----Original Message-----
> From: address@hidden
> [mailto:address@hidden On Behalf Of Jeff Rancier
> Sent: Thursday, October 10, 2002 9:12 AM
> To: Emacs Help (Windows)
> Subject: [h-e-w] Using control keys in bash shell within emacs
> 
> Hi,
> 
> I'm using cygwin bash, 2.05b, as my NTEmacs shell (GNU Emacs 21.2.1
> (i386-msvc-nt5.1.2600) of 2002-03-19 on buffy).  Is there any way to
> have
> (e.g.) C-p, scroll through the history, instead of the default emacs
> behaviour of moving to the previous line in a buffer.  I tried:
> 
>     set -o emacs
> 
> in my .bash_profile/.bashrc, but that didn't work.  Works fine when I
> kick
> off cygwin bash outside of NTEmacs.  If this kind of thing 
> doesn't work,
> can
> someone explain the advantage of kicking off a bash shell inside of
> Emacs?
>

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