Call function with parameters invoke -command powershell call method from .Net class library using powershell Call Remote Invoke-Command and Not Wait? Call variable outside function Calling 'Get-Counter' remotely throws error 'Unable to connect to the specified computer or the computer is offline'...
Start with the Test-MrParameter function that was used in the previous section. PowerShell Copy function Test-MrParameter { param ( $ComputerName ) Write-Output $ComputerName } There are a couple of different ways to see the common parameters. One is by viewing the syntax with Get-Comman...
function Invoke-MyFunction { param ( [string] $Name, [switch] $P1, [switch] $P2 ) # how many $Pn parameters were specified in the call to the function? $count = @( $PSBoundParameters.GetEnumerator() | where-object { $_.Key.StartsWith("P") } ).Length; # if *none* specified t...
Explains how to add parameters to advanced functions. Long description You can add parameters to the advanced functions that you write, and use parameter attributes and arguments to limit the parameter values that function users submit with the parameter. When you use the CmdletBinding at...
Positional parameters A positional parameter is a parameter without a parameter name. PowerShell uses the parameter value order to associate each parameter value with a parameter in the function. When you use positional parameters, type one or more values after the function name. Positional parameter...
有关ErrorAction 参数的详细信息,请参阅 about_CommonParameters。 有关 $ErrorActionPreference 变量的详细信息,请参阅 about_Preference_Variables。Try/CatchPowerShell(以及许多其他语言)中的异常处理方式是,先对一部分代码执行 try,如果引发错误,则对其执行 catch。 下面是一个简单的例子。
(Collection`1 arguments) at System.Management.Automation.CommandProcessor.BindCommandLineParameters() at System.Management.Automation.CommandProcessor.Prepare(IDictionary psDefaultParameterValues) at System.Management.Automation.CommandProcessorBase.DoPrepare(IDictionary psDefaultParameterValues) at System.Management....
function Main { (…) HelperFunction (…) } function HelperFunction { (…) } . Main 3. 如何调用script 路径有空格时需使用&: & "C:Script DirectoryRun-Commands.ps1" Parameters 当前路径:.Run-Commands.ps1 Parameters 4. 理解Function的Scope ...
Runs a script in the current scope so that any functions, aliases, and variables that the script creates are added to the current scope, overriding existing ones. Parameters declared by the script become variables. Parameters for which no value has been given become variables with no value. How...
https://docs.microsoft.com/zh-cn/powershell/module/microsoft.powershell.core/about/about_commonparameters?view=powershell-5.1&viewFallbackFrom=powershell-Microsoft.PowerShell.Core about_CommonParameters SHORT DESCRIPTION Describes the parameters that can be used with any cmdlet. ...