$Results=$Employees|ForEach-Object-Process{$Employee=$_$Account=$Accounts|Where-Object-FilterScript{$_.Name-eq$Employee.Name } [pscustomobject]@{ Id =$Employee.Id Name =$Employee.Name Email =$Account.Email } } 但是,该实现必须针对$Employee集合中的每个项筛选一次$Accounts集合中的所有 5000...
要演示此场景,请打开一个新的 PowerShell 窗口并运行以下代码。 它执行一个 PowerShell 命令,每分钟输出一个数字,持续 10 分钟。 PowerShell复制 powershell.exe-Command{$i=1while($i-le10) {Write-Output-InputObject$iStart-Sleep-Seconds60$i++ } } 查看进程 PowerShell 正在执行的命令正文存储...
Wait-Job -Name "Job3"This command uses the job name to identify the job for which to wait.Example 8: Wait for jobs on local computer started with Start-JobPowerShell Kopioi $j = Start-Job -ScriptBlock {Get-ChildItem -Filter *.ps1| Where-Object {$PSItem.LastWriteTime -gt ((Get-Dat...
Windows Driver Development Kit (DDK)that was called bootvis.exe. I used to use it to create a boot trace for my Windows XP computer. This tool was useful because it would let you know which drivers were taking a long time to load. Unfortunately, there is no such tool (that I know o...
The Wait-Event cmdlet suspends execution of a script or function until a particular event is raised. Execution resumes when the event is detected. To cancel the wait, press CTRL+C. This feature provides an alternative to polling for an event. It also all
[void]$PowerShell.AddScript({ Get-Date Start-Sleep -Seconds 10 }) $AsyncObject = $PowerShell.BeginInvoke() We can now inspect our Async object and view its status to see how things are going. $AsyncObject Based on theIsCompletedproperty, the command is currently running in the backg...
[void]$PowerShell.AddScript({ Get-Date Start-Sleep -Seconds 10 }) $AsyncObject = $PowerShell.BeginInvoke() We can now inspect our Async object and view its status to see how things are going. $AsyncObject Based on theIsCompletedproperty, the command is currently running in the background...
Of course, there are a number of ways in which I can give a script the ability to handle a WMI connection timeout, but I don't particularly like that approach because the timeout period itself is so long—about 30 seconds by default. This would cause my script to run much more ...
Another thing to keep in mind here is that your script will continue to run while the notice is displayed; the script won’t automatically pause and wait for the notice to disappear. That shouldn’t cause any problems; it’s just something you should be aware of. ...
Windows PowerShell has good mechanisms for passing command-line arguments to scripts—you can add parameters to a script by adding param($param1, $param2), and so on, to the top of your script.Additionally, you may want to extend your automation scripts by parameterizing test case input ...