Switch 构造类似于具有多个 ElseIf 部分的 If 构造。 Switch 构造根据多个值计算单个变量或项目,并为每个值提供一个脚本块。 如果每个值与变量匹配,则运行该值的脚本块。 还有一个 Default 部分仅在没有匹配项时才运行。 Switch 构造使用以下语法: PowerShell Switch($choice) {1{Writ...
Explains how to use a switch to handle multiple if statements.Long descriptionTo check a condition in a script or function, use an if statement. The if statement can check many types of conditions, including the value of variables and the properties of objects.To check multiple conditions, ...
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such as required, named, positional and switch parameters. Parameters can be used as a set, and some parameters can also be dynamically added at runtime. PowerShell cmdlets can be created to prompt user feedback before the cmdlet acts, effectively creating ...
Lifecycle Step Common Stop Lifecycle Submit Lifecycle Suspend Lifecycle Switch Common Sync Data Test Diagnostic Trace Diagnostic Unblock Security Undo Common Uninstall Lifecycle Unlock Common Unprotect Security Unpublish Data Unregister Lifecycle Update Data Use Other Wait Lifecycle Watch Common Write ...
You can use script blocks, for example: switch ("Cozumel") { {$_ -in @("Acapulco","Cozumel","Lazaro Cardenas","Mexico City","Pto Progresso","Veracruz")} { "Mexico" break } } Refer to the documentation for more info/examples:https://docs.microsoft.com/en-us/powershel...
Breaks are helpful in PowerShell loops such as theforeach,while,do-while, andswitch statementsbecause you can control where your code will halt before your code completes. Let’s practice breaking out of loops. Below you can see a snippet code with a for loop. The for loop would iterate ...
With that URL in hand, switch over to VS Code. Press theF1key to open the command palette and type in 'git clone' as displayed in Figure 4. Figure 4. 'Git clone' has been typed into VS Code. HitEnterto select that command. Then paste in the URL from your clipboard and hitEnterag...
Using Wildcards with the Switch Statement Now, we know what you’re thinking: that was all right, but it wasn’tthatcool. Point taken. But suppose we told you that you could use wildcard characters in your switch statement. Would that change your opinion about just how cool the switch ...
Suppose you want to know if there are any .PS1 files in the Archive folder; how could you figure that out? That’s easy: you can use Get-ChildItem to return a collection of all the files in the folder, filter out everything that didn’t have a .PS1 file extension, and then check...