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I'm using Emacs 24.3.1 under Ubuntu 13.10

I need Emacs to open all new files in the the same window.

According to EmacsWiki: One Window, I added

(setq pop-up-windows nil)

To my configuration file, but it didn't work.

I tried how to make emacs open all buffers in one window (debian/linux/gnome)'s answer's suggestion:

(custom-set-variables '(pop-up-frames nil))

But it didn't work as well.

I tried emacs variable to “open with” in original frame's answer's suggestion:

(setq ns-pop-up-frames nil)

But it didn't work.

This should be something simple to configure, quite annoyhing..

Appreciate your help,

Amitai.

0

I think there was some kind of change in how this behaviour is customized around version 24.* (not quite sure). I think display-buffer-alist is the thing you are looking for.

So something along the lines of

(add-to-list 'display-buffer-alist
             '("^[^\\*].*[^\\*]$" display-buffer-same-window) t)

might work for you. The regexp is the one that a buffer name will be matched against (this one assumes file names don't start and end with asterisks).

See also the documentation for display-buffer, which decides where to display a buffer. There are several functions there along the lines of same-window, reuse-window, pop-up-{window,frame}.

By the way, ns-* functions are for OS X, they probably won't do anything on linux.

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