Wait-Job supports a degree of filtering and offers a. The do-until loop will exit at this point. The Wait-Job command The Wait-Job command waits for all of the jobs in the input pipeline to complete. This object then gets cast to boolean, which will evaluate to $true due to it not being one of the aforementioned values. If Get-ADUser finds an object then $Manager will contain that user object.
Given that the statement in ( ) evaluated to $false, the loop continues on.
This then gets cast to boolean, which evaluates to $false. There are also aliases for the parameter such as -s and -ms if you don’t want to type out the full name. You can also use the -milliseconds parameter to specify how long the resource sleeps in milliseconds. In this particular case, if Get-ADUser does not return an object then $Manager will be $null. To sleep a PowerShell script for 5 seconds, you can run the following command. When PowerShell casts a value to boolean 0, $null, $false, and an empty string all evaluate to $false. The way that do-until loops ( as well as if-then blocks and the like ) work is they cast the statement ( ) to boolean. If it errors out then $Manager will be $null. No, that line, if successful, will contain an AD user object. $Manager = get-aduser $input -ErrorAction Stop Given that Get-ADUser throws an error when the value provided to its -Identity parameter is invalid, the catch block will get triggered if the account provided for the manager is invalid. In this particular case, the error action of Stop causes Get-ADUser to throw a terminating error if it encounters any error, which a try-catch block requires. Or set up ProGet somewhere "on the edge" of your network, and have it mirror the modules you want from the public PowerShellGallery for your internal-only clients.It is a common parameter ( parameters that are available on most, if not all, cmdlets ) that controls how PowerShell will respond to an error coming from that cmdlet. Install the Package Management Module on your PowerShell 3 machine, and then use Save-Module.
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