[-ShowCommandInfo] [-Syntax] [-TotalCount <System.Int32>] [<CommonParameters>] Get-Command [[-ArgumentList] <System.Object[]>] [-All] [-FullyQualifiedModule <Microsoft.PowerShell.Commands.ModuleSpecification[]>] [-ListImported] [-Module <System.String[]>] [-Noun <System.String[]>] [-...
If you aren't sure how PowerShell was installed, you can check the value of the $PSHOME variable, which always points to the directory containing PowerShell that the current session is running. If the value is $HOME\.dotnet\tools, PowerShell was installed with the .NET Global tool. If ...
"Value set in ShowScopes" "Scope [0] (local) `$funcAVar1 = '$(Get-Variable funcAVar1 -Scope 0 -ValueOnly)'" "Scope [1] (parent) `$funcAVar1 = '$(Get-Variable funcAVar1 -Scope 1 -ValueOnly)'" "Scope [2] (parent) `$funcAVar1 = '$(Get-Variable funcAVar1 -Scope 2...
New-Variable Cmdlet Creates a new variable. Set-Variable Cmdlet Sets the value of a variable. Creates the variable if one with the requested name does not exist. Remove-Variable Cmdlet Deletes a variable and its value. Clear-Variable Cmdlet Deletes the value of a variable. 示例: Get-Variabl...
When you run the function, the value you supply for a parameter is assigned to a variable that contains the parameter name. The value of that variable can be used in the function. The following example is a function calledGet-SmallFiles. This function has a$Sizeparameter. The function displa...
You can also see from the previous screenshot that you get hover tips when you hold the cursor over a variable. Hover tips can show simple values, like numbers and strings, or complex objects as shown in the following screenshot:
Windows PowerShell will use the String data type to store the value. In .NET Framework terms, that's the System.String class, which has perhaps the most built-in functionality of any variable type. If, say, I want to see an all-lowercase version of the value in $var, I can do this...
Ungrouped assignment statements don't output values. When grouping an assignment statement, the value of the assigned variable ispassed throughand can be used in larger expressions. For example: PowerShell PS> ($var=1+2)3PS> ($var=1+2)-eq3True ...
Use theSet-Variablecmdlet to create aReadOnlyvariable, and specifyReadOnlyfor theOptionparameter, and you can specify a description for the variable: Set-Variable -Name myvariable -Value “value” -Description “mred variable” -Option readonly...
Import-ModuleSQLServerInvoke-Sqlcmd-ServerInstancelocalhost-StatisticsVariablestats `-Query'CREATE TABLE #Table (ID int); INSERT INTO #Table VALUES(1), (2); INSERT INTO #Table VALUES(3); SELECT * FROM #Table'Write-Host"Number of rows affected...: $($stats.IduRows)"Write-Host"Number of i...