Invoke-Expressioncmdlet 可执行在使用调用运算符时导致分析错误的代码。 PowerShell PS> &"1+1"&: The term'1+1'is not recognized as a name of a cmdlet,function, script file, or executable program. Check the spelling of the name, or
$days = @{l="Days";e={((Get-Date) - $_.LastAccessTime).Days}} # You can also shorten the name of your label key to 'l' and your expression key # to 'e'. Get-ChildItem $PSHOME -File | Select-Object Name, $size, $days Name Size(KB) Days --- --- --- C...
New-Module-NameMyModule-ScriptBlock{functionReturn-MrOsVersion{Get-CimInstance-ClassNameWin32_OperatingSystem |Select-Object-Property@{label='OperatingSystem';expression={$_.Caption}} }Export-ModuleMember-FunctionReturn-MrOsVersion} |Import-Module ...
Select-Object 发现 产品文档 开发语言 主题 版本 PowerShell 7.5 搜索 Invoke-Expression Invoke-RestMethod Invoke-WebRequest Join-String Measure-Command Measure-Object New-Alias New-Event New-Guid New-Object New-TemporaryFile New-TimeSpan New-Variable...
Nameis the literal string to find with the regular expression. The following PowerShell command uses this regular expression with the Select-String cmdlet. help New-MgUser | Select-String '-[^ ]+Name' The PowerShell output makes it easy to find the parameters with Name. ...
Get-CimInstance-Query"SELECT * from Win32_Process WHERE name LIKE 'P%'" Example 4: Get instances of a class filtered by using a class name and a filter expression This example retrieves all the CIM instances that start with the letterPof a class namedWin32_Processusing the Filter parameter...
How can I get a Select-Object Expression to trim empty spaces? How can I get the file count in a zipped file How can I get these CN values for my ADUsers? How can I have my script running in the background continuously? How can I Import-Csv a csv file that has multi-line fields...
Expression -<string>or<script block> For more information, seeabout_Calculated_Properties. Type:Object[] Position:Named Default value:None Required:False Accept pipeline input:False Accept wildcard characters:False -ReferenceObject Specifies an array of objects used as a reference for comparison. ...
such asBooleanorString. PowerShell attempts to determine the object type from the expression. The object type depends on the type of parameter a command expects and on whether PowerShell knows how to convert the argument to the correct type. The following table shows several examples of the typ...
Message1 Message2 When the parser sees the “;” it considers that the end of the first command and starts to parse the second command and then executes both of them. For the next examples, I’ll try to get PowerShell to run the evil command: “Write-Host Busted”. Image that I hav...