Which could be OK in your case, but if you use ssh and X forwarding, your exported DISPLAY will overwrite the special one that ssh gave you.
The result will be that your X app will try to run on the machine that you ssh'd to instead of the machine that you ssh'd from.
Usually not what you want.

non-Perl: Andy Ford

In reply to Re^3: Tk OSX couldn't connect to display :0 by andyford
in thread Tk OSX couldn't connect to display :0 by Washizu

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