Re: Detect if Emacs is running in -nw mode

[Barry Margolin]

In article <m34papoxpo.fsf@tfkp07.physik.uni-erlangen.de>,
 Roland Winkler <Roland.Winkler@physik.uni-erlangen.de> wrote:

> Christian Herenz <herenz@physik.hu-berlin.de> writes:
> > Is there something when NOT, so that I could set
> > [PSEUDO-CODE]:
> > (when not (window-system)
> >     (menu-bar-mode nil)
> >     (other commands i want to use when not windowed))
> 
> You can test whether the DISPLAY environment variable is set using
> 
> (getenv "DISPLAY")
> 
> In this way you can distinguish between emacs -nw running in an X
> or a "pure tty" environment. Is that what you want?

There are other window systems besides X.

-- 
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
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