I truly don't mean to be rude but what are you talking about? You seem to be assuming I am trying to do something I am not despite me saying very clearly this is not
about trying to ensure only one copy of a script is running or not. This is about providing a consistent way of interacting with the process table. Are you saying I should go to every vendor of every application to include the OS and tell them that they have to use a lock file so my utility can know if you are running or not?
If you really want to have a discussion about the merits of using a pid file for ensuring only one copy of an "in-house" script is only running once - I would be happy to in another thread. The fact that you indicate to check to see if the PID is still in use shows me you don't understand the problem (how do I distinguish between some other process that happened to get my old PID versus my script still running).
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