Remove-Variable [-Name] <String[]> [-Include <String[]>] [-Exclude <String[]>] [-Force] [-Scope <String>] [-WhatIf] [-Confirm] [<CommonParameters>] Description Remove-Variable Cmdlet 會從定義變數的範圍中刪除變數及其值,例如目前的會話。 您無法使用此 Cmdlet 來刪除設定為...
Remove-Variable[-Name] <String[]> [-Include <String[]>] [-Exclude <String[]>] [-Force] [-Scope <String>] [-WhatIf] [-Confirm] [<CommonParameters>] 说明 Remove-Variablecmdlet 从定义变量的范围中删除变量及其值,例如当前会话。 不能使用此 cmdlet 删除设置为常量或系统拥有的变量。
$MyVariable Output 複製 The green cat. 若要刪除變數的值,請使用 Clear-Variable Cmdlet 或將值變更為 $null。 PowerShell 複製 Clear-Variable -Name MyVariable PowerShell 複製 $MyVariable = $null 若要刪除變數,請使用 Remove-Variable 或Remove-Item。 PowerShell 複製 Remove-Variable -Name...
$Env:<variable-name> = "<new-value>" 例如,若要建立 Foo 環境變數: PowerShell 複製 $Env:Foo = 'An example' 因為環境變數一律是字串,所以您可以使用它們,就像包含字元串的任何其他變數一樣。 例如: PowerShell 複製 "The 'Foo' environment variable is set to: $Env:Foo" $Env:Foo +...
Windows PowerShell reserves a few parameter names, referred to as Common parameters, which you can't use: WhatIf, Confirm, Verbose, Debug, ErrorAction, ErrorVariable, OutVariable, and OutBuffer. In addition, the following aliases for these parameter names are reserved: vb, db, ea, ev, ov...
variable is: True 出于后者的目的,应改用 $PSCmdlet.WriteError()。 对于本机命令(可执行文件),当 $? 为0 时, 设置为 $LASTEXITCODE,当 为任何其他值时设置为 $LASTEXITCODE。 备注 在PowerShell 7 之前,用括号 (...)、子表达式语法 $(...)或数组表达式 @(...) 包裹语句时,总是将 $? 重置...
Remove-Item Env:\TestVariable Alternatively you can use the SetEnvironmentVariable method, assigning the environment variable a null value: [Environment]::SetEnvironmentVariable("TestVariable",$null,"User") Again, if you use SetEnvironmentVariable the deleted variable might still show up when you ca...
function Disable-ProtectedEventLogging { Remove-Item HKLM:\Software\Policies\Microsoft\Windows\EventLog\ProtectedEventLogging -Force –Recurse } While the Group Policy template for Protected Event Logging only exists in Windows 10, PowerShell version 5 and PowerShell in KB3000850 supports protected ...
Actually using this regex in Windows PowerShell is pretty easy. Assuming the variable $email contains the e-mail address you read from the CSV file, something like this will check to see whether it's valid or not:Copy $regex = "^[a-z]+\.[a-z]+@contoso.com$" If ($email –not...
openapi_schema_pydantic.v3.v3_1_0.server_variable openapi_schema_pydantic.v3.v3_1_0.tag openapi_schema_pydantic.v3.v3_1_0.xml pydantic pydantic._hypothesis_plugin pydantic.annotated_types pydantic.class_validators pydantic.color pydantic.config pydantic.dataclasses pydantic.datetime_parse pydantic....