if語句不僅允許您在語句為$true時指定動作,也允許您在語句為$false時指定動作。 這就是else語句發揮作用的地方。 否則 使用時,else語句一律是if語句的最後一個部分。 PowerShell if(Test-Path-Path$Path-PathTypeLeaf ) {Move-Item-Path$Path-Destination$archivePath}else{Write-Warning"$pathdoesn't exist or...
下面是if语句的基本示例: PowerShell $condition=$trueif($condition) {Write-Output"The condition was true"} if语句执行的第一步是计算括号中的表达式。 如果计算结果为$true,则执行大括号中的scriptblock。 如果值为$false,则会跳过该脚本块。 在上面的示例中,if语句仅计算$condition变量。 其计算结果为$true...
如果您未使用PowerShell 5.0或更高版本,則必須使用較舊的New-Object方法。 PowerShell throw(New-Object-TypeNameSystem.IO.FileNotFoundException )throw(New-Object-TypeNameSystem.IO.FileNotFoundException-ArgumentList"Could not find path:$path") 藉由使用具類型的例外狀況,您或其他人可以依上一節所述的類型攔...
[CmdletBinding()]#<<-- This turns a regular function into an advanced functionparam($ComputerName) Write-Output$ComputerName}#通过Get-Command 向下钻取参数。Get-Command -name Test-MrCmdletBinding -Syntax (Get-Command -Name Test-ModuleManifest).Parameters.Keys SupportsShouldProcess会添加 WhatIf 和 C...
$folder = "C:\Test\EmptyFolder" if ((Get-ChildItem $folder).Count -eq 0) { Remove-Item $folder } else { Write-Host "Directory is not empty" }这个脚本首先检查目录是否为空。如果目录为空,它会删除该目录,否则会输出提示信息。5. 删除符合条件的文件你可以通过 Get-ChildItem 与Where-Object ...
Add back local NuGet source for test packages (Internal 32693) Fix typo in release-MakeBlobPublic.yml (Internal 32689) Copy to static site instead of making blob public (#24269) (#24343) Update Microsoft.PowerShell.PSResourceGet to 1.1.0-preview2 (#24300) (#24337) Remove the MD5 branc...
Check if Email address exists in Office 365 and if exists, Create a Unique Email address Check if event log source exists for non admins Check if file created today and not 0 KB Check if HyperThreading is enabled Check if IIS running on a remote server check if object is $null Check ...
+ CategoryInfo : ObjectNotFound: (pause:String) [], CommandNotFoundException + FullyQualifiedErrorId : CommandNotFoundException : The term '' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path ...
Test-Path C:\Scripts\Archive -pathType container What we’ve done here is tack on the –pathType parameter and assign the parameter the value container. That means that we want to know if the specified object (C:\Scripts\Archive) is a container: that is, is it capable of containing oth...
And remember, Age is a real, live property of the objects returned by this instance of Get-ChildItem. Would you like to see these files sorted by age? Then just pipe the results to Sort-Object: Copy Get-ChildItem C:\Test | Select-Object Name, @{Name="Age";Expression={ (((Get-Dat...