PowerShell 中有一些運算子可讓您將命令包裝至下一行。 如果您想要將表達式分成多行,邏輯運算子-and和-or是很好的運算符。 PowerShell if($null-ne$user-and$user.Department-eq'Finance'-and$user.Title-match'Senior'-and$user.HomeDrive-notlike'\\server\*') {
在某些语言中,可以在if语句后放置一行代码,它将会得以执行。 在 PowerShell 中情况并非如此。 必须提供带大括号的完整scriptblock才能使其正常工作。 比较运算符 if语句最常见的用法是比较两个项。 PowerShell 具有特殊运算符,可用于不同的比较方案。 当使用比较运算符时,会将左右两侧的值进行比较。
if($a-gt2) {Write-Host"The value$ais greater than 2."}else{Write-Host("The value$ais less than or equal to 2,"+" is not created or is not initialized.") } 若要进一步优化此示例,可以使用elseif语句在$a的值等于2时显示消息。 如下一示例所示: ...
and to read the reporting data.Connect-MgGraph-Scopes"Reports.Read.All"### GET PRINTER REPORT###if(!$UserOnly) {Write-Progress-Activity"Gathering Printer usage..."-PercentComplete-1# Get the printer usage report$printerReport=Get-MgReportMonthlyPrintUsageByPrinter-All-Filter"completedJobCount gt...
if($srv.Status -eq "Running"){"Service is Running"} if($srv.Status -eq "Stopped"){"Service is Stopped"} } Output: Explanation:In this example, first it checks the If Service exists, and if service it exists then it enters the block and again checks if service is Running or Stopped...
If you are developing .NET Core C# applications targeting PowerShell Core,check out our FAQto learn more about the PowerShell SDK NuGet package. Also, make sure to check out ourPowerShell-RFC repositoryfor request-for-comments (RFC) documents to submit and give comments on proposed and future...
(This is done when the user uses either Confirm or WhatIf arguments.) Also notice that I am going to catch exceptions and wrap them with ThrowTerminatingError. In this sample, if anything goes wrong, it shouldn't proceed because the file open will have failed. It's usually bad form to...
if ($ver.Version.Major -gt 1) {$Host.Runspace.ThreadOptions = "ReuseThread"} Add-PsSnapin Microsoft.SharePoint.PowerShell Set-location $home # Check that this is a command-line interface and not the ISE if ($host.name -eq "ConsoleHost") { $width = 80 $sizeWindow = new-object ...
shadow. If it isTrue, kernel VA shadow is enabled, hardware support for PCID is present, and PCID optimization for kernel VA shadow is enabled. If it isFalse, either the hardware or the OS may not support PCID. It is not a security weakness for the PCID optimization not t...
If you're looking for the equivalent in Visual Studio Code—also known as VS Code—see Command Line Interface (CLI) and Terminal Basics.When you open one of the developer shells from Visual Studio, either as a separate app or in the Terminal window, it opens to the directory of your ...