[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...
To set theMYPATHenvironment variable in the local environment to use the searchpath defined in thePATHenvironment variable, type: PS D:\repos\blogs> setx MYPATH %PATH% SUCCESS: Specified value was saved. 1. 2. 3. 为环境变量追加新值 PS D:\repos\configs\env> setx PYTHONPATH "C:\new_pa...
正如commenter所建议的,我还向SetEnvironmentVariable添加了“machine”参数,以便在PowerShell会话结束时变量值将保持不变。注意:运行脚本时需要管理员权限。 # Redirect WSL output to temp file, which keeps the UTF-16 encoding intact $tempFilePath = (New-TemporaryFile).FullName Start-Process -FilePath wsl ...
若要将模块路径添加到PSModulePath环境变量值的模块路径,请使用以下命令格式。 此格式使用System.Environment类的SetEnvironmentVariable方法对PSModulePath环境变量进行与会话无关的更改。 PowerShell #Save the current value in the $p variable.$p= [Environment]::GetEnvironmentVariable("PSModulePath")#Add the ne...
Root CurrentLocation --- --- --- --- A FileSystem A:\ Alias Alias C FileSystem C:\ ...And Settings\me cert Certificate \ D FileSystem D:\ Env Environment Function Function HKCU Registry HKEY_CURRENT_USER HKLM Registry HKEY_LOCAL_MACHINE Variable Variable 虽然显示内容中的驱动器与系统上...
//RootDSE/ Alias Alias C 19.38 107.13 FileSystem C:\ Cert Certificate \ D FileSystem D:\ Env Environment Function Function HKCU Registry HKEY_CURRENT_USER HKLM Registry HKEY_LOCAL_MACHINE SQLSERVER SqlServer SQLSERVER:\ Variable Variable WSMan WSMan PSDrive 可以像傳統的文件系統一樣存取。 ...
' Scope [4] (parent) $funcAVar1 = 'Value set in funcA' 如输出ShowScopes所示,可以使用和指定范围编号从其他范围Get-Variable访问变量。 示例5:在远程命令中使用局部变量 对于在本地会话中创建的远程命令变量,请使用Using:作用域修饰符。 PowerShell 会假定远程命令中的变量是在远程会话中创建的。
Again, if you use SetEnvironmentVariable the deleted variable might still show up when you call Get-ChildItem, at least until you restart. But take our word for it: the environment variable will no longer exist, as this command will demonstrate: ...
BUILD_BUILDNUMBER = "Build HelloWorld_0000.00.00.0"'exit1}# Make sure path to source code directory is availableif(-not$Env:BUILD_SOURCESDIRECTORY) {Write-Error("BUILD_SOURCESDIRECTORY environment variable is missing.")exit1}elseif(-not(Test-Path$Env:BUILD_SOURCESDIRECTORY)) {Write-Error"BUILD...
BUILD_BUILDNUMBER = "Build HelloWorld_0000.00.00.0"'exit1}# Make sure path to source code directory is availableif(-not$Env:BUILD_SOURCESDIRECTORY) {Write-Error("BUILD_SOURCESDIRECTORY environment variable is missing.")exit1}elseif(-not(Test-Path$Env:BUILD_SOURCESDIRECTORY)) {Write-Error"BUILD...