Allowing only one instance of a script?

[Grant Edwards]

On 2005-06-23, Tim Golden <tim.golden at viacom-outdoor.co.uk> wrote:
> [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

If you're on Unix/Linux, the usual way to do this is with a
lockfile.

-- 
Grant Edwards                   grante             Yow!  I'd like MY data-base
                                  at               JULIENNED and stir-fried!
                               visi.com