[Environment]::SetEnvironmentVariable('Foo','') [Environment]::GetEnvironmentVariable('Foo') Output复制 有关System.Environment类的方法的详细信息,请参阅环境方法。 在Windows 中Create永久性环境变量 在Windows 上,有三种方法可用于对环境变量进行持久更改: 在配置文件中设置它们 SetEnvironmentVariable()使用 ...
将“确保”设置为Present“名称TestEnvironmentVariable”和“值”设置为TestValue“时,资源将添加一个环境变量,如果该值不存在,则TestValue添加一个环境变量TestEnvironmentVariable。将Path 设置为 $true(如果 TestEnvironmentVariable 存在且不包含 TestValue)时,资源会 TestValue 追加到当前值。
One thing to watch out for: when we used SetEnvironmentVariable to create a new user- or machine-level environment variable that variable didn’t always show up when we ran this command in Windows PowerShell: Get-ChildItem Env: Or at least it didn’t show up until we restarted PowerShell...
add a value to a specified environment variable often, the most useful variable is `Path`; and the most often operation is add value to the Path ; if the target value is no exist yet, then the function will try to create the corresponding variable for you! 本函数既可以为已有的环境变量...
add a value to a specified environment variable often, the most useful variable is `Path`; and the most often operation is add value to the Path ; if the target value is no exist yet, then the function will try to create the corresponding variable for you!
Referencing Variables and Variable Values Removing Items From Arrays The String’s the Thing Three Things You Might Not Know About Windows PowerShell Functions Using Windows PowerShell “Here-Strings” Using the Range Operator in Wildcard Queries ...
PowerShell 复制 param( [ValidateDrive("C", "D", "Variable", "Function")] [string]$Path ) ValidateUserDrive 验证属性ValidateUserDrive 属性指定参数值必须在 User 驱动器中表示。 如果路径引用其他驱动器,PowerShell 将生成错误。 验证属性仅测试路径的驱动器前缀是否存在。
cmd.exe /c"set cmd=Write-Host ENV -Fore Green&&powershell IEX ([Environment]::GetEnvironmentVariable('cmd', 'Process')) cmd.exe/c"set cmd=Write-Host ENV -Fore Green&&powershell IEX ((Get-ChildItem/ChildItem/GCI/DIR/LS env:cmd).Value) ...
The following command gets the child items in the directory that is represented by the ProgramFiles(x86) environment variable. powershell คัดลอก Get-ChildItem ${env:ProgramFiles(x86)} To reference a variable name that includes braces, enclose the variable name in braces, and...
The Set-Variable cmdlet assigns a value to a specified variable or changes the current value. If the variable does not exist, the cmdlet creates it.