IgnoreCase : True LineNumber : 1 Line : 64 Path : Variable:\MaximumHistoryCount Pattern : [0-9] 使用脚本块搜索字符串“Pos”的文件SelectStrCommandSample.cs。 -cmatch 运算符执行不区分大小写的模式匹配。 PowerShell 复制 Select-Str -Path "SelectStrCommandSample.cs" -Script { if ($a...
$message= (Test-Path$path) ?"Path exists":"Path not found" 在此示例中,当 返回 时,$message的值为Path exists。Test-Path$true$false返回 时Test-Path,的$messagePath not found值为 。 PowerShell $service=Get-ServiceBITS$service.Status-eq'Running'? (Stop-Service$service) : (Start-Service$serv...
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...
\Program Files\PowerShell\7\pwsh.exe Target : LinkType : Length : 293312 DirectoryName : C:\Program Files\PowerShell\7 Directory : C:\Program Files\PowerShell\7 IsReadOnly : False FullName : C:\Program Files\PowerShell\7\pwsh.exe Extension : .exe Name : pwsh.exe Exists : True ...
PowerShell 复制 # create mutable value type PS> Add-Type 'public struct Foo { public int x; }' # Create an instance and store it in a variable first # and then modify its property via the variable. PS> $var = [Foo]::new() PS> $var.x = 1 PS> $var.x 1 ...
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. $profile is simply a built-in variable that contains...
For example, theUtilityFunctions.ps1script creates theNew-Profilefunction and the$ProfileNamevariable. PowerShell #In UtilityFunctions.ps1functionNew-Profile{Write-Host"Running New-Profile function"$profileName=Split-Path$PROFILE-Leafif(Test-Path$PROFILE) {Write-Error"Profile$profileNamealready exists on...
A variable, alias, or function name can include any one of the following optional scope modifiers: Global:- Specifies that the name exists in theGlobalscope. Local:- Specifies that the name exists in theLocalscope. The current scope is always theLocalscope. ...
## Ensure the base path exists $basePath = “HKLM:\Software\Policies\Microsoft\Windows\PowerShell\Transcription” if(-not (Test-Path $basePath)) { $null = New-Item $basePath -Force }## Enable transcription Set-ItemProperty $basePath -Name EnableTranscripting -Value 1...
Though both expressions return True, they're matching significantly different things. Fortunately, there's a way to see what the –match operator is thinking under the hood: each time a match is made, a special variable called $matches is populated with the results of the match—that is, ...