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Finding my $DISPLAY programatically.

Hello,

Is there a way to programmatically translate the launchd style DISPLAY (i.e. /tmp/launch-idaF18/:0) into a usable DISPLAY (i.e. 172.16.1.1:0.0)?

Some background:

Our main system is made up of lots of X11 applications running on one or more remote UNIX servers. The user would have a Mac with a Cocoa application that I have written to provide a menu system for launching various parts of our system on the remote hosts.

I use rexec to get the remote applications to run which works pretty well, however, I'm currently having to hard code the DISPLAY to <my IP>:0.0 because the remote systems don't understand the launchd style DISPLAY.

The problem with a hard coded DISPLAY is that if X11.app crashes it often runs again with a different DISPLAY, it won't go back to 0:0 until a reboot, also if another user uses fast user switching and runs another X11.app it is not 0:0.

Thanks, regards, Rob.
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