Задания и параллельность

$j=Start-Job { $PID }
"local=$PID remote=$(Receive-Job -Wait $j)"
Remove-Job $j

$j=Start-Job {1,2}
Wait-Job $j|Out-Null
Receive-Job $j
Receive-Job $j

$result = Get-Job | Receive-Job -Wait -AutoRemoveJob
$items = @($result)
[pscustomobject]@{ Count=$items.Count; First=$items | Select-Object -First 1; IsNull=($null -eq $result) }

$j=Start-ThreadJob { $PID }
Receive-Job -Wait $j
$PID

$bag=[Collections.Concurrent.ConcurrentBag[int]]::new()
1..4|ForEach-Object{$n=$_;Start-ThreadJob {$using:bag.Add($using:n)}}|Receive-Job -Wait

$list=[Collections.Generic.List[int]]::new()
$valueType = if($null -eq $list){'<null>'}else{$list.GetType().FullName}
[pscustomobject]@{ Value=$list; Type=$valueType; Count=@($list).Count }

$result = & { 1..20 | ForEach-Object -Parallel { Start-Sleep -Milliseconds 50; $_ } -ThrottleLimit 4 }
$shape = if($null -eq $result){'<null>'}elseif($result -is [array]){'array'}else{$result.GetType().Name}
[pscustomobject]@{ Shape=$shape; Values=@($result) }

$factor=3
1..4|ForEach-Object -Parallel { $_*$using:factor }

$j=1..5|ForEach-Object -Parallel {$_*2} -AsJob
Receive-Job -Wait $j

$result = & { $servers|ForEach-Object -Parallel {[pscustomobject]@{Server=$_;Ok=$true;At=Get-Date}} }
$summary = [ordered]@{ IsNull=($null -eq $result); Count=@($result).Count }
if($null -ne $result){$summary.Type=$result.GetType().FullName};[pscustomobject]$summary

$result = Receive-Job -Job $jobs -Wait -AutoRemoveJob
$shape = if($null -eq $result){'<null>'}elseif($result -is [array]){'array'}else{$result.GetType().Name}
[pscustomobject]@{ Shape=$shape; Values=@($result) }

$result = & { Get-Job | Select-Object Name,State,@{n="Reason";e={$_.JobStateInfo.Reason.Message}} }
$resultType = if($null -eq $result){'<null>'}else{$result.GetType().FullName}
[pscustomobject]@{ Result=$result; Type=$resultType; Count=@($result).Count }

$result = $jobs|Group-Object State|Select-Object Name,Count
$shape = if($null -eq $result){'<null>'}elseif($result -is [array]){'array'}else{$result.GetType().Name}
[pscustomobject]@{ Shape=$shape; Values=@($result) }

$result = 1..100|ForEach-Object -Parallel {1}|Measure-Object -Sum
$shape = if($null -eq $result){'<null>'}elseif($result -is [array]){'array'}else{$result.GetType().Name}
[pscustomobject]@{ Shape=$shape; Values=@($result) }

$jobs = @(Get-Job -State Running)
$finished = $jobs | Wait-Job -Timeout 15
$stuck = $jobs | Where-Object Id -notin $finished.Id
$stuck | Stop-Job
$jobs | Receive-Job -Keep -ErrorAction Continue
$jobs | Select-Object Id, Name, State, HasMoreData