to shell (and X window System) wizards.

[Gary Kline]

On Thu, Jul 03, 2008 at 04:36:20PM +0100, Daniel Bye wrote:
> On Wed, Jul 02, 2008 at 07:13:50PM -0700, Gary Kline wrote:
> > 
> > 	would this works, say in .zlogin, to  say that X is up:
> > 
> > 	if [ -e /tmp/.X11-unix/X0 ]
> > 	then
> > 		echo "X is up."
> > 		exit 0;
> > 	else
> > 		echo "No X yet"
> > 		exit 1;
> > 	fi
> > 
> > 	or is there something more clever?
> 
> I'm not sure if it's any cleverer, but I would probably make a call to
> pgrep(1) instead of relying on the existence of a file that might exist,
> even if X isn't running (unusual, but it does happen now and then, here at
> least) - something like
> 
> if (pgrep "Xorg")
> then
>   echo "X is up."
>   exit 0
> else
>   echo "No X yet..."
>   exit 1
> fi


	i don't remember using pgrep last time, but it seems more
	failsafe,
	so thankee.  i seem to recall that /tmp/.X11* is zapped during
	powerdown, butt for ssure, X has Got to be the the proc table:-)

	gary

> 
> ... should do the trick.
> 
> And bear in mind that ~/.zlogin is run *after* ~/.zshrc, whereas ~/.zprofile
> is run *before* it. It might matter, depending on what you are trying to do.
> 
> Dan
> 
> -- 
> Daniel Bye
>                                                                      _
>                                               ASCII ribbon campaign ( )
>                                          - against HTML, vCards and  X
>                                 - proprietary attachments in e-mail / \



-- 
  Gary Kline  kline at thought.org   www.thought.org  Public Service Unix
        http://jottings.thought.org   http://transfinite.thought.org