Allowing only one instance of a script?

[Tim Golden]

[Ali]
| 
| I have a script which I double-click to run. If i double-click it
| again, it will launch another instance of the script.
| 
| Is there a way to allow only one instance of a script, so that if
| another instance of the script is launched, it will just 
| return with an
| error.

If you're on Windows, have a look at this recent thread:

http://groups-beta.google.com/group/comp.lang.python/msg/2a4fadfd3d6e3d4b?hl=en

TJG

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