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Re: Wish/tcltk & DISPLAY is not set


Quoting "Larry Hall (Cygwin)" <reply-to-list-only-lh@cygwin.com>:

When I execute "wish" under cygwin (wish test.tcl), I get the following
error message:

/usr/bin/xterm: DISPLAY is not set

I think this problem has been reported in 2006 @
http://cygwin.com/ml/cygwin/2006-02/msg00090.html
&
http://www.mail-archive.com/cygwin@cygwin.com/msg65756.html

I checked my tcltk version in my cygwin install:
it is tcltk/tcltk-20080420-1

Does it mean that this problem reported in 2006 was not corrected in
the 2008 version ? or do I miss something ?


Do you have the X server running?

Yes, I obviously started the X server of Cygwin (- using startxwin.sh)

So you either: A. Didn't set DISPLAY appropriately in the shell you're starting 'wish' from. B. Didn't start 'wish' from the 'xterm' that gets started with 'startxwin.sh'.


So I should miss something because I think what I did is correct ;-)

- I start cygwin using the icon from the Windows 7 desktop
(bash shell is used; full cygwin install was carried out)

- in my .bashrc I do have:
export DISPLAY=127.0.0.1:0.0

- the command "echo $DISPLAY" gives in this black terminal:
127.0.0.1:0.0

- I execute startxwin.sh in this black terminal

- from the new xterm opened (white), I execute "wish tmp.tcl"
I get:
/usr/bin/xterm Xt error: Can't open display:
/usr/bin/xterm:  DISPLAY is not set

Where is the problem ?

If I execute: export DISPLAY=127.0.0.1:0.0 in the x-terminal (white)
& run again "wish tmp.tcl", I get the same error message...

Thanks, regards, Francois

PS We are two different persons having this same problem.



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