Intuitively, you would assume that the variable named $computer that you set in a function could be accessed in the script when the function is complete. However, that's not the case. Variables have a specific scope and are limited in how they interact between scopes. The ...
[Environment]::GetEnvironmentVariable('Foo') Output复制 Bar 可以通过为变量的值指定空字符串,使用SetEnvironmentVariable()方法删除环境变量。 例如,若要删除环境变量,请执行以下操作Foo: PowerShell复制 [Environment]::SetEnvironmentVariable('Foo','') [Environment]::GetEnvironmentVariable('Foo') Output复制...
若要尋找腳本範圍中定義的變數和別名,請使用 或Get-VariableCmdlet 的Get-AliasScope 參數。 例如,下列命令會取得區域 (腳稿) 範圍的變數: PowerShell複製 Get-Variable-scope0 這是只查看您在腳本中定義的變數,以及在偵錯時定義的變數的實用方式。 在命令行進行偵錯 當您設定變數斷點或命令斷點時,只能在腳本檔案...
1.在 PS 6 之前 sc 是 Set-Content cmdlet 的别名, 因此若要在 ps6 之前的 PowerShell 版本中运行 sc.exe 命令,必须使用包含文件扩展名 exe的完整文件名 sc.exe。 2.外部可执行文件或具有已注册的文件类型处理程序的文件也被归类为命令。 0x03 基础核心 Cmdlet 命令 描述:Windows PowerShell 引入了 cmdlet(...
[Environment]::SetEnvironmentVariable("PSModulePath",$p) 1. 2. 3. 4. 5. 6. 7. 8. 9. 不同path需要以; 分割 按照microsoft的说法,修改path之后需要做广播处理,如果是通过修改启动配置文件的方式添加,则不需要即时广播psmodulePath的变化 ...
For PowerShell to see a file extension as executable in the current session, you must add the extension to the $env:PATHEXT environment variable. See also - about_Aliases - about_Functions - about_Path_Syntax - Alias-Provider - Function-Provider - Get-Command - Import-Module - Import-...
第一个命令仅获取在本地作用域中定义的变量。 它等效于Get-Variable -Scope Local,可以缩写为gv -s 0。 第二个命令使用Compare-Objectcmdlet 来查找在父作用域(作用域 1)中定义但仅在本地作用域(作用域 0)中可见的变量。 PowerShell Get-Variable-Scope0Compare-Object(Get-Variable-Scope0) (Get-Variable-...
Scope modifiers A variable, alias, or function name can include any one of the following optional scope modifiers: Global:- Specifies that the name exists in theGlobalscope. Local:- Specifies that the name exists in theLocalscope. The current scope is always theLocalscope. ...
In the function, you can use the$Sizevariable, which is the name defined for the parameter. To use this function, type the following command: PowerShell Get-SmallFiles-Size50 You can also enter a value for a named parameter without the parameter name. For example, the following command give...
[-EXOModuleEnabled <Boolean>] [-Fax <String>] [-FirstName <String>] [-Force] [-GeoCoordinates <GeoCoordinates>] [-HomePhone <String>] [-IgnoreDefaultScope] [-IsShadowMailbox <Boolean>] [-Initials <String>] [-LastName <String>] [-LinkedCredential <PSCredential>] [-LinkedDomainController...