[英]Running powershell in VB.NET - how to access the content of my variable
I am running a simple script in VB using System.Management.Automation as below我正在使用 System.Management.Automation 在 VB 中运行一个简单的脚本,如下所示
Script runs fine, but how do I then access content of $offline and $online in my code after it has run?脚本运行良好,但如何在运行后访问我的代码中的 $offline 和 $online 的内容?
Dim scriptContents = New StringBuilder()
scriptContents.AppendLine("$computers = @(""PC-1"", ""PC-2"", ""PC-3"")")
scriptContents.AppendLine("$online = @()")
scriptContents.AppendLine("$offline = @()")
scriptContents.AppendLine("Foreach ($computer in $computers) {")
scriptContents.AppendLine("If (Test-Connection -ComputerName $computer -Count 2 -Quiet -ErrorAction SilentlyContinue) {")
scriptContents.AppendLine("$online += $computer")
scriptContents.AppendLine("}")
scriptContents.AppendLine("Else {")
scriptContents.AppendLine("$offline += $computer")
scriptContents.AppendLine("}")
scriptContents.AppendLine("}")
Using ps As PowerShell = PowerShell.Create()
ps.AddScript(scriptContents.ToString)
Dim results1 As PSDataCollection(Of PSObject) = Await Task.Run(Function() ps.InvokeAsync)
Stop
End Using
Thanks谢谢
I think the solution is to not have the script create two separate arrays, but instead have it return one array of PSObjects where each item has two properties: Computer
and a Boolean Online
.我认为解决方案是不要让脚本创建两个单独的 arrays,而是让它返回一个 PSObjects 数组,其中每个项目都有两个属性:
Computer
和 Boolean Online
。
Something like this perhaps:可能是这样的:
Dim scriptContents = New StringBuilder()
scriptContents.AppendLine("$computers = @(""PC-1"", ""PC-2"", ""PC-2"")")
scriptContents.AppendLine("Foreach ($computer in $computers) {")
scriptContents.AppendLine("If (Test-Connection -ComputerName $computer -Count 2 -Quiet -ErrorAction SilentlyContinue) {")
scriptContents.AppendLine(" [PsCustomObject]@{Computer = $computer; Online = $true}")
scriptContents.AppendLine("}")
scriptContents.AppendLine("Else {")
scriptContents.AppendLine(" [PsCustomObject]@{Computer = $computer; Online = $false}")
scriptContents.AppendLine("}")
scriptContents.AppendLine("}")
Using ps As PowerShell = PowerShell.Create()
ps.AddScript(scriptContents.ToString)
Dim results1 As Collection(Of PSObject) = ps.Invoke()
End Using
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