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I would like to have a workflow where I could make my F9 key open up a shell in a split pane, and then have the same key effectively do a C-x 0 on it. That way I could split, run a command, do some stuff, and go back to the file I was editing.

My attempt at this has some problems:

(defun split-shell-toggle ()
  (interactive)
  (split-window-below)
  (eshell))

(global-set-key (kbd "<f9>") 'split-shell-toggle)

In particular, I need to modify the function to check if the pane is visible, and then close the pane if it is. Right now I get this kind of thing:

enter image description here

It keeps splitting again and again. How can I check if the pane is already open, and close it if it is?

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4
  • I would recommend creating a new function called my-custom-eshell-function by modifying the function eshell -- it is only a few lines long, and the key ingredient you will be modifying is (pop-to-buffer-same-window buf). And, here is your keyboard shourtcut: (global-set-key [f9] 'my-custom-eshell-function). To find the source code of the function, you can use M-x find-function RET eshell RET Instead of pop-to-buffer-same-window, you can use something better from the window.el library or create your own display-buffer function.
    – lawlist
    May 11 '15 at 22:06
  • What do you want below the *eshell* buffer? A *scratch* buffer perhaps?
    – lawlist
    May 12 '15 at 2:48
  • 1
    You may interest in shell-pop.
    – Tu Do
    May 12 '15 at 2:52
  • @TuDo that is exactly what I'm looking for, want to make that an answer?
    – tlehman
    May 12 '15 at 17:48
2

You may interest in shell-pop.

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