One solution would be to have the script write it's process ID in some .pid
file. Since a process ID is per instance of the script, this should provide you
with the functionality you're looking for.
John
On Fri, 27 Apr 2001, Nikhil Goyal wrote:
> I need to set up a script such that only one instance of it is running at a
> time i.e. in case the script is already executing, it will not be started
> again.
>
> My problem is on a script taking a long time to execute (like it should) - I
> find that for some reason the script stops somewhere in the middle and
> starts to re-execute. I wish to catch this re-execute and halt the script
> instead
>
> N
>
>
>
>
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John Donagher
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