Compare-Object 參考 模組: Microsoft.PowerShell.Utility 比較兩個物件集。 Syntax PowerShell 複製 Compare-Object [-ReferenceObject] <PSObject[]> [-DifferenceObject] <PSObject[]> [-SyncWindow <Int32>] [-Property <Object[]>] [-ExcludeDifferent] [-IncludeEqual] [-PassThru] [-Cul...
如果引用或差异对象为 null($null),Compare-Object将生成终止错误。 一些示例使用旋转来减少代码示例的行长度。 有关详细信息,请参阅about_Splatting。 示例 示例1 - 比较两个文本文件的内容 此示例比较两个文本文件的内容。 该示例使用以下两个文本文件,每个文本文件位于一个单独的行上。
Powershell:始终生成null文件(Compare-Object的输出)此问题最受欢迎的答案涉及以下Windows PowerShell代码(编辑以修复错误):$file1 = Get-Content C:\temp\file1.txt $file2 = Get-Content C:\temp\file2.txt $Diff = Compare-Object $File1 $File2 $LeftSide = ($Diff | Where-Object {$_.SideIndicator...
-in和-notin运算符在 PowerShell 3 中作为 和-notcontains运算符的-contains语法反向引入。-in当左侧<scalar-object>与集合中的元素之一匹配时,返回True。-notin改为返回False。 以下示例执行与 和 示例-contains-notcontains相同的操作,但它们是使用-in和-notin编写的。
Manifest3.1.0.0Microsoft.PowerShell.Utility {Add-Member,Add-Type,Clear-Variable,Compare-Object...} Manifest1.0.0.0NetTCPIP {Find-NetRoute,Get-NetCompartment,Get-NetIPAddress, Get-... Script2.0.0PSReadline {Get-PSReadLineKeyHandler,Get-PSReadLineOption,Remove-PS... ...
2. Compare-Object 比较差异 alias(别名): compare diff $a=Compare-Object(1,2,3) (1,2,4)$aInputObject SideIndicator---4=>3<= 3.监听USB设备的插入和移除 # DriveType# 2: USB Disk# 3: HDD# 5: ODD$driverList=@{}# HashTable Key-Value$driveType=@{2="USB_Disk";3="HDD";5="ODD"...
function Test-CompareWithNull { if ($null -eq $DebugPreference) { } } 亲自尝试 PowerShell 复制 # Both expressions below return 'false' because the comparison does not return an # object and therefore the if statement always falls through: if (@() -eq $null) { 'true' }...
compare -> Compare-Object Alias copy -> Copy-Item Alias cp -> Copy-Item Alias cpi -> Copy-Item Alias cpp -> Copy-ItemProperty Alias curl -> Invoke-WebRequest Alias cvpa -> Convert-Path Alias dbp -> Disable-PSBreakpoint Alias del -> Remove-Item Alias diff -> Compare-Object Alias ...
Compare-ObjectMicrosoft.PowerShell.Utilityhelp Complete-TransactionMicrosoft.PowerShell.Managementhelp Connect-WSManMicrosoft.WSMan.Managementhelp ConvertFrom-CsvMicrosoft.PowerShell.Utilityhelp ConvertFrom-SecureStringMicrosoft.PowerShell.Securityhelp ConvertFrom-StringDataMicrosoft.PowerShell.Utilityhelp Convert-PathMicr...
Out-Null Deletes output instead of sending it to the console. Compare-Object Compares two sets of objects. ForEach-Object Performs an operation against each of a set of input objects. Group-Object Groups objects that contain the same value for specified properties. Measure-Object Calculates the...