腳本範圍是您執行調試程式之範圍的子系。 若要尋找腳本範圍中定義的變數和別名,請使用 或Get-VariableCmdlet 的Get-AliasScope 參數。 例如,下列命令會取得區域 (腳稿) 範圍的變數: PowerShell複製 Get-Variable-scope0 這是只查看您在腳本中定義的變數,以及在偵錯時定義的變數的實用方式。 在命令行進行偵錯 當...
获取本机的CIM管理类 $ErrorActionPreference="Stop"functionGet-WmiNamespace{Param($Namespace='ROOT')Try{Get-WmiObject-Namespace$Namespace-Class__NAMESPACE|ForEach-Object{($ns='{0}\{1}'-f$_.__NAMESPACE,$_.Name)Get-WmiNamespace-Namespace$ns}}Catch{Write-Host('Error@Namespace: {0} - {...
Intuitively, you would assume that the variable named $computer that you set in a function could be accessed in the script when the function is complete. However, that's not the case. Variables have a specific scope and are limited in how they interact between scopes. The ...
System.Environment类提供GetEnvironmentVariable()用于获取和修改环境变量的 和SetEnvironmentVariable()方法。 以下示例创建一个新的环境变量Foo,其值为Bar,然后返回其值。 PowerShell复制 [Environment]::SetEnvironmentVariable('Foo','Bar') [Environment]::GetEnvironmentVariable('Foo') Output复制 Bar 可以通过为...
Note the use of the try/catch statements, in order to add more information in case an error occurs. In this case I'm using WriteError instead of ThrowTerminatingError; this is because I don't need to stop the pipeline in case of a bad write....
Can you pass a variable to a SQL Script with invoke-sqlcmd? Can you use PowerShell to change Group Policies? Can you write to an open excel file using powershell? can't catch an error from rename-item Can't get [DateTime]::TryParseExact to work using PowerShell Can't get get-adcom...
Additionally, instead of using an explicit $loaded variable, I could have used the Windows PowerShell break statement to exit the delay loop. Windows PowerShell has a rich set of control structures that allow you to program in many different styles, including whatever programming style you are ...
Catch { # Run this if a terminating error occurred in the Try block # The variable $_ represents the error that occurred $_ } Finally { # Always run this at the end }TipIntroduced in Windows PowerShell 3.0, you can use CTRL-J in the ISE to insert aTry, Catch, Fin...
Try-Catch块中有Powershell的变量?powershell variables scope try-catch 我一直在尝试在powershell中编写一个脚本,如果文件不能通过WinSCP正确传输,则重命名该文件。脚本看起来像这样: # Variables $error = 0 $currentFile = "test" # Functions function upload-files { param( $WinScpSession, $LocalDirectory...
variable in the Global scope, and that variable contains cookies and data to keep our session with the site consistent over multiple webrequests, and that’s what we’ll use in our next function, Get-MyOnlinePizzaAccountInfo. Get-MyOnlinePizzaInfo First of all, weneed to find what page...