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Re: Checking executability for asynchronous commands

From: Markus Elfring
Subject: Re: Checking executability for asynchronous commands
Date: Sun, 27 Dec 2020 11:01:58 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0

> If you have the pid of an asynchronous command -- and the easiest way to get 
> that pid
> is by referencing $! after it was started -- you can call `wait' with that pid
> to retrieve the status, even if it's already terminated.

Would you care if waiting on such identifications for background processes
will occasionally be forgotten?

How many efforts would you invest to add potentially missing wait function 


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