PowerShell detect if command terminated

Question

I have a long running script that runs as a PowerShell command for many hours. Occasionally it terminates - usually OutOfMemory. When this occurs the PowerShell window returns to PS C:\XXXXX>.

I thought simply I could have an additional PS window that listens if the other terminates in an effort to keep it alive. If the other PS window returned to PS C:\XXXX it could start the script again as a back.

Is there a simple way to do this?

Thanks

Can you elaborate for me? if within this for loop it will restart if it fails? — user1202278
– user1202278, Commented Jul 2, 2017 at 13:57
@PetSerAl if the script fails continiously powershell will close this infinite loop after some number of executions, — Chetan Kulkarni
– Chetan Kulkarni, Commented Jul 3, 2017 at 1:39
@PetSerAl and this doesn't take care if the script is successful,,, no matter what that script is supposed to run forever — Chetan Kulkarni
– Chetan Kulkarni, Commented Jul 3, 2017 at 1:41

Mathias R. Jessen · Accepted Answer · 2017-07-02 18:37:13Z

3

Wrap the script invocation in a try/catch block to handle the OOM exception, then wrap that in a loop:

do {
    try {
        # Run the script
        .\script.ps1
        $Success = $true
    }
    catch {
        # Something happened, make sure we try again
        $Success = $false
    }
} while (-not $Success)

answered Jul 2, 2017 at 18:37

Mathias R. Jessen

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