Re: run once and then vaporize

> At 19:15 -0700 23/7/08, Blake Garner wrote:
>>My test script currently just echo's some text into system.log and
>>exits. The script runs but the launchd item fails to unload or remove
>>itself.
>
> That's because launchd does not pass the ProgramArguments to a shell;
> rather, it invokes fork/exec (maybe even posix_spawn these days) with
> those arguments.  So the ";" isn't considered special.  If you modify
> your "runonce.sh" to print all of its arguments, you'll find that
> it's getting a whole bunch of extra ones (-:
>
> I don't think this ProgramArguments approach is going to work.  You
> will have to unload the job from your script.
>
> Alternatively, don't unload the job.  Once a job is loaded, it
> doesn't depend on the plist file, so removing the plist file out from
> underneath launchd won't cause you any problems.  The job will
> continue to exist in launchd (until the system restarts) but it won't
> get run against unless someone specifically invokes it.
>
> S+E
> --
> Quinn "The Eskimo!"                    <http://www.apple.com/developer/>
> Apple Developer Relations, Developer Technical Support, Core OS/Hardware
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