PowerShell 变量提供程序创建一个Variable:驱动器,该驱动器的外观和行为类似于文件系统驱动器,但它包含会话中的变量及其值。 若要更改为Variable:驱动器,请使用以下命令: PowerShell Set-LocationVariable: 若要列出驱动器中的Variable:项和变量,请使用Get-Item或Get-ChildItemcmdlet。
Get-ChildItem-PathVariable: 使用变量的提供程序路径获取变量 此命令使用其提供程序路径检索变量值,其前缀为美元符号 ($) 。 这与在变量名称前面加上美元符号 ()$具有相同的效果。 PowerShell $variable:home 使用通配符获取变量 此命令将获取名称以“max”开头的变量。 可以从任何 PowerShell 驱动器使用此命令。
The 'Foo' environment variable is set to: An example An example! 在PowerShell 中,环境变量不能设置为空字符串。 将环境变量设置为$null或空字符串会将其从当前会话中删除。 例如: PowerShell复制 $Env:Foo=''$Env:Foo|Get-Member-MemberTypeProperties Output复制 Get-Member : You must specify an ...
模块必须导入到会话中,并且设置仅在当前会话中有效。 PowerShell复制 Import-Module<Module-Name> (Get-Module<Module-Name>).LogPipelineExecutionDetails =$true 若要为特定计算机上的所有会话启用模块日志记录,请将上述命令添加到“所有用户”PowerShell 配置文件 ($Profile.AllUsersAllHosts) 。 有关模块日志...
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...
{ Write-Error "BUILD_SOURCESDIRECTORY does not exist: $Env:BUILD_SOURCESDIRECTORY" exit 1 } Write-Verbose "BUILD_SOURCESDIRECTORY: $Env:BUILD_SOURCESDIRECTORY" # Make sure there's a build number if (-not $Env:BUILD_BUILDNUMBER) { Write-Error ("BUILD_BUILDNUMBER environment variable is ...
Remove-Variable Select-Object Select-String Select-Xml Send-MailMessage Set-Alias Set-Date Set-MarkdownOption Set-PSBreakpoint Set-TraceSource Set-Variable Show-Command Show-Markdown Sort-Object Start-Sleep Tee-Object Test-Json Trace-Command ...
Set-Variable Show-Command Show-Markdown Sort-Object Start-Sleep Tee-Object Test-Json Trace-Command 解锁文件 (Unblock-File) Unregister-Event Update-FormatData Update-List Update-TypeData Wait-Debugger Wait-Event Write-Debug Write-Error Write-Host ...
This example is from a Windows 10 client running PowerShell 7 inside VS Code. In the example, you can see that the$PROFILEvariable contains four note properties that contain the location of each profile Also, you can see that the$PROFILEvariable’s value is the name of theCurrentUserCurrent...
This is the full path to the file that Windows PowerShell will try to run when it starts. Notice we said “try” to run. Here’s an interesting fact: just because you were able to find the profile doesn’t mean it actually exists. $profile is simply a built-in variable that contains...