小编cwa*_*cwa的帖子

目前我对Powershell以及它如何处理Arrays/ArrayLists和PSObjects/CustomObjects感到非常困惑.

高水平:

我正在尝试导入CSV文件并在特定行插入"占位符"条目.这实际上工作正常.我唯一的问题是,如果CSV只包含1个元素(行)Powershell创建一个PsCustomObject.如果有多行,Powershell会提供一个数组.

`$ pConnectionsOnMpDevice中的1个元素

$pConnectionsOnMpDevice  = ($pList | ?({$_.device -like "*$pDevice*"}))
($pConnectionsOnMpDevice).getType()

IsPublic IsSerial Name BaseType
True True PsCustomObject[] System.Object

n元素 $pConnectionsOnMpDevice

$pConnectionsOnMpDevice  = ($pList | ?({$_.device -like "*$pDevice*"}))
($pConnectionsOnMpDevice).getType()

IsPublic IsSerial Name BaseType
True True Object[] System.Array

最后我尝试添加一个元素:

$pConnectionsOnMpDevice += $MpObject

(我的第一个方法之一是使用(FYI):

#$pConnectionsOnMpDevice.Insert($index,$match)

如果我尝试添加$MpObject到$pConnectionsOnMpDevice我收到以下错误:

Method invocation failed because [System.Management.Automation.PSObject] does not contain a method named 'op_Addition'.
At C:\Scripts\PS_GenerateMPConfig\PS_GenerateMPConfig_06_f.ps1:90 char:13
+             $pConnectionsOnMpDevice += $MpObject
+             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (op_Addition:String) [], RuntimeException …