如果<condition>運算式為 False,就會執行<if-false>運算式 例如: PowerShell $message= (Test-Path$path) ?"Path exists":"Path not found" 在此範例中,如果路徑存在,就會顯示Path exists。 如果路徑不存在,則會顯示找不到路徑。 如需詳細資訊,請參閱關於 If。
New-Module-NameMyModule-ScriptBlock{functionReturn-MrOsVersion{Get-CimInstance-ClassNameWin32_OperatingSystem |Select-Object-Property@{label='OperatingSystem';expression={$_.Caption}} }Export-ModuleMember-FunctionReturn-MrOsVersion} |Import-Module ...
The first thing to notice is that if you pipe your hashtable, the pipe treats it like one object. PowerShell Copy PS> $ageList | Measure-Object count : 1 Even though the Count property tells you how many values it contains. PowerShell Copy PS> $ageList.Count 2 You get aroun...
DependentServices Property System.ServiceProcess.ServiceCont... DisplayName Property string DisplayName {get;set;} MachineName Property string MachineName {get;set;} ServiceHandle Property System.Runtime.InteropServices.Sa... ServiceName Property string ServiceName {get;set;} ServicesDependedOn Property ...
All cmdlets that change resources outside of Windows PowerShell should set the SupportsShouldProcess property to true when declaring the CmdletAttribute attribute. This allows the cmdlet to call the ShouldProcess method before performing its action. If the ShouldProcess call returns false, the action...
(SERVERPROPERTY('Productversion') as nvarchar(128)) if (@version like '11%') begin EXECUTE sp_executesql @query2012_cpu end else begin EXECUTE sp_executesql @query2008r2_cpu end " $connection = New-Object System.Data.OleDb.OleDbConnection $connectionDetails $command7 = New-Object System....
In and of itself, that’s pretty cool. But in PowerShell 2.0 several new parameters have been added to Select-String, including two that we’ll talk about in this article:-notMatchand–context. Let’s see if we can figure out what these two parameters do. ...
PowerShell script designed to delete items from the folder C:\Scripts\Archive. Before you issue the delete command, you might want to verify that this folder even exists; after all, if it doesn’t your delete command is going to raise an error. How do you verify that a folder exists?
It is not always necessary to change the working location to a registry drive when you create a new registry key. In fact, it is not even necessary to use theTest-Pathcmdlet to determine if the registry key exists. If the registry key already exists, an error generates. If ...
A set of PowerShell functions you might use to enhance your own functions and scripts or to facilitate working in the console. Most should work in both Windows PowerShell and PowerShell 7, even cross-platform. Any operating system limitations should be h