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...
if语句 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$false,则会跳过该脚本块。
Get-Command -name Test-MrCmdletBinding -Syntax (Get-Command -Name Test-ModuleManifest).Parameters.Keys SupportsShouldProcess会添加 WhatIf 和 Confirm 参数 。 只有做出更改的命令需要这些参数。 functionTest-MrSupportsShouldProcess { [CmdletBinding(SupportsShouldProcess)]param($ComputerName) Write-Output$Compu...
Set LangVersion compiler option to 13.0 in Test.Common.props (#24621) (Thanks @xtqqczze!) Fix release branch filters (#24933) Fix GitHub Action filter overmatching (#24929) Add UseDotnet task for installing dotnet (#24905) Convert powershell/PowerShell-CI-macos to GitHub Actions (#24914...
How to test if a csv file is empty or not and email it? How to troubleshoot Winrm connection with SSL How to uninstall antivirus using Powershell script How to union results in Powershell? How to update an attribute of an XML element in powershell? How to upgrade from powershell 2.0...
See how easy it is? We simply specify the date-time property we’re interested in, and PowerShell takes care of the rest. If all we care about is a single one of these properties – for example, just the day – we could even do this in a single line of code: Copy $a = (Get...
When matching phrases,Select-Stringuses the current culture that is set for the system. To find the current culture, use theGet-Culturecmdlet. To find the properties of aMatchInfoobject, type the following command: Select-String -Path test.txt -Pattern 'test' | Get-Member | Format-List -...
If this parameter is empty, all messages are returned. Note: The Search-Mailbox cmdlet returns up to 10000 results per mailbox if a search query is specified. Type:String Position:Named Default value:None Required:False Accept pipeline input:False ...
How to test if a csv file is empty or not and email it? How to troubleshoot Winrm connection with SSL How to uninstall antivirus using Powershell script How to union results in Powershell? How to update an attribute of an XML element in powershell? How to upgrade from powershell 2.0...
Write-Error -Message 'Test Error' ; Write-Host 'Hello World' Output Copy Write-Error: Test Error Hello World This example shows the $ErrorActionPreference default value, Inquire. An error is generated and a prompt for action is shown. PowerShell Copy # Change the ErrorActionPrefer...