Re: How to run DOS shell & Cygwin at the same time?

[Kevin Rodgers <ihs_4664@yahoo.com>]

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szhu@SonicWALL.com wrote:

> Hi, I'm using emacs on the windows platform, I'd like to use both the
> bash shell (cygwin), and the DOS shell (because most of my colleagues
> use the .bat scripts). I know how to set "M-x shell" to either one of
> them, how can I add a function to invoke the other one?

Try defshell.el (attached).


-- 
<a href="mailto:&lt;kevin.rodgers&#64;ihs.com&gt;">Kevin Rodgers</a>

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;;; -*-unibyte: t;-*-

;;; defshell.el -- Define inferior shells.

;;; RCS $Id: defshell.el,v 1.3 2001/05/21 16:17:46 kevinr Exp $

;;; Description:
;;; defshell.el makes it easy to run different inferior shells at the
;;; same time, by defining new commands for the Bourne (M-x sh), C (M-x
;;; csh), Korn (M-x ksh), and Bourne Again (M-x bash) shells.  And
;;; whereas the `M-x shell' command defined in Emacs' shell.el always
;;; reuses the *shell* buffer, defshell.el can be customized via the
;;; defshell-reuse-buffer and defshell-rename-buffer-uniquely options
;;; (e.g. for `M-x sh') to reuse the *sh* buffer or create a *sh*<2> (or
;;; *sh*<N>) buffer.
;;; 
;;; defshell.el also provides the `defshell' macro to define additional
;;; shell commands.  E.g. to define the Foo shell (M-x fsh):
;;; 	(defshell "/bin/fsh" "Foo")
;;; or to define a DNS lookup shell (M-x nslookup):
;;; 	(defshell "/usr/sbin/nslookup" "DNS lookup")
;;; and since `nslookup` doesn't accept the -i option:
;;; 	(setq explicit-nslookup-args '())

;;; Copyright:
;;; 
;;; Copyright © 2000 Kevin Rodgers
;;; 
;;; This program is free software; you can redistribute it and/or modify
;;; it under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 2 of the License, or
;;; at your option) any later version.
;;; 
;;; This program is distributed in the hope that it will be useful,
;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;; 
;;; You should have received a copy of the GNU General Public License
;;; along with this program; if not, write to the Free Software
;;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
;;; 
;;; My employer (Information Handling Services) has not disclaimed any
;;; copyright interest in minibuffer-complete-cycle.el.
;;; 
;;; Kevin Rodgers <kevinr@ihs.com>          Lead Software Engineer
;;; Information Handling Services           Electronic Systems Development
;;; 15 Inverness Way East, M/S A114         GO BUFFS!
;;; Englewood CO 80112-5776 USA             1+ (303) 397-2807[voice]/705-4258[fax]

;;; Emacs Lisp Archive Entry:
;;; Filename: defshell.el
;;; Author: Kevin Rodgers <kevinr@ihs.com>
;;; Version: $Revision: 1.3 $
;;; Description: Define inferior shells.
;;; Keywords: shell
;;; Last-Updated: $Date: 2001/05/21 16:17:46 $

(provide 'defshell)

(require 'comint)			; comint-check-proc
(require 'shell)			; shell

(defvar defshell-reuse-buffer t
  "*If non-nil, reuse `defshell-shell' buffers.") ; i.e. pop-to-buffer

(defvar defshell-rename-buffer-uniquely nil
  "*If non-nil, rename `defshell-shell' buffers uniquely.")

(defun defshell-shell (defshell-file-name)
  "*Run an inferior DEFSHELL-FILE-NAME shell."
  (interactive "sShell: ")
  (let* ((explicit-shell-file-name defshell-file-name)
	 (defshell-buffer-name (concat "*"
				       (file-name-sans-extension
					(file-name-nondirectory
					 explicit-shell-file-name))
				       "*")))
    (if (and defshell-reuse-buffer
	     (comint-check-proc defshell-buffer-name)) ; see shell.el
	(pop-to-buffer (get-buffer defshell-buffer-name))
      (progn
	(shell)
	(rename-buffer defshell-buffer-name
		       (or defshell-rename-buffer-uniquely
			   (comint-check-proc defshell-buffer-name)))))))

(defmacro defshell (shell-file-name &optional shell-name)
  (let ((command (intern (file-name-sans-extension (file-name-nondirectory
						    shell-file-name)))))
    `(defun ,command ()
       ,(format "*Run an inferior %s shell." (or shell-name shell-file-name))
       (interactive)
       (defshell-shell ,shell-file-name))))

(defshell "/bin/sh" "Bourne")
(defshell "/bin/csh" "C")
(defshell "/bin/ksh" "Korn")
(defshell "/usr/local/bin/bash" "Bourne Again")

;;; defshell.el ends here

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