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
function [<scope-modifier>:]<name> {<function-body>} 以下命令不使用范围修饰符,在当前或本地范围中创建变量: PowerShell复制 $a="one" 若要在全局范围中创建相同的变量,请使用范围global:修饰符: PowerShell复制 $global:a="one"Get-Variablea |Format-List* 请注意可见性和选项属性值。 Output复制 Name...
Get-PSDrive [[-Name] <String[]>] [-Scope <String>] [-PSProvider <String[]>] [-V erbose] [-Debug] [-ErrorAction <ActionPreference>] [-ErrorVariable <String>] [- OutVariable <String>] [-OutBuffer <Int32>] 使用PSProvider 参数,可以仅显示受特定提供程序支持的 PowerShell 驱动器。 例如...
在 PowerShell 中输入以下命令,并根据返回的结果调整执行策略(例如,如果它是 Restricted,则可能需要改为 RemoteSigned 或Unrestricted): Get-ExecutionPolicy 2Set-ExecutionPolicy RemoteSigned -Scope CurrentUser // 注意:更改执行策略可能会有安全风险,请根据实际情况谨慎操作。 运行脚本: 打开PowerShell 并切换到脚本所在...
Remove-Variable num1 PowerShell自动化变量 常用的变量 $pid $home PowerShell环境变量 ls env: # 查看当前环境变量 $env:os # 输出某个键的值 $env:0s="Linux" # 临时赋值变量 设置永久环境变量(.net方式) [environment]::setenvironmentvariable("PATH","D:","User") PowerShell脚本执行策略 get-execut...
For PowerShell to see a file extension as executable in the current session, you must add the extension to the $env:PATHEXT environment variable. See also - about_Aliases - about_Functions - about_Path_Syntax - Alias-Provider - Function-Provider - Get-Command - Import-Module - Import-...
删除变量:Clear-Variable -Name var或者clv var 查看变量类型:$var.GetType() 作用域:$[<scope-modifier>:]<name> = <value> 自动变量[5] 常用自动变量 $?:上一次执行成功。成功返回True $$:返回上一个指令的最后一个令牌(token) $^:返回第一个token ...
Get-Variable -Scope local Per creare una variabile in un determinato ambito, usare un modificatore di ambito o il parametro Scope di Set-Variable. Il comando seguente crea una variabile nell'ambito globale:PowerShell Copia New-Variable -Scope global -Name a -Value "One" È...
that any functions, aliases, and variables that the script creates are added to the current scope, overriding existing ones. Parameters declared by the script become variables. Parameters for which no value has been given become variables with no value. However, the automatic variable$argsis ...
To get all the variables in the global scope, type: PowerShell Get-Variable-ScopeGlobal When a reference is made to a variable, alias, or function, PowerShell searches the current scope. If the item isn't found, the parent scope is searched. This search is repeated all they way up to...