若要選取物件屬性,請使用 Property 參數。 當您選取屬性時,Select-Object 會傳回只有指定屬性的新物件。 從Windows PowerShell 3.0 開始,Select-Object 包含一項優化功能,可防止命令建立及處理未使用的物件。 當您在命令管線中使用 Select-Object 搭配First 或Index 參數時,PowerShell 會在到達選取的物件數目時停止...
Select-Object 参考 模块: Microsoft.PowerShell.Utility 选择对象或对象属性。 语法 PowerShell复制 Select-Object[-InputObject <PSObject>] [[-Property] <Object[]>] [-ExcludeProperty <String[]>] [-ExpandProperty <String>] [-Unique] [-CaseInsensitive] [-Last <Int32>] [-First <Int32>] [-Skip...
要查看替换后的文件名,我们可以使用`Get-ChildItem`命令来获取文件夹中的所有文件,然后使用`Select-Object`命令来筛选替换后的文件。例如,我们要查看C盘根目录下的所有pdf文件: ```powershell Get-ChildItem -Path "C:\\" -Filter *.pdf | Select-Object -Property Name ``` 在这个例子中,`Get-ChildItem`命令...
Windows PowerShell 3.0 包含現有 Cmdlet (包括簡化語法) 的新功能,以及下列 Cmdlet 的新參數:Computer Cmdlet、CSV Cmdlet、Get-ChildItem、Get-Command、Get-Content、Get-History、Measure-Object、Security Cmdlet、Select-Object、Select-String、Split-Path、Start-Process、Tee-Object、Test-Connection...
2.在 桌面 任意地方按住Shift+右键此时出现在此打开PowerShell窗口点击即可打开。 3.启动PowerShell非常简单可以直接在CMD命令行之中键入以下命令PowerShell或者PowerShell_ISE TIPS: 默认键入一个字符串PS会将它原样输出,如果该字符串是一个命令或者启动程序,在字符串前加‘&’可以执行命令,或者启动程序。
function Get-DynamicParameters { param ($Cmdlet, $PSDrive) (Get-Command -Name $Cmdlet -ArgumentList $PSDrive).ParameterSets | ForEach-Object {$_.Parameters} | Where-Object { $_.IsDynamic } | Select-Object -Property Name -Unique } Get-DynamicParameters -Cmdlet Get-ChildItem -PSDrive Cert: ...
PS C:\PowerShell> Get-Content .\info.txt | Select-Object -First 1 First line 1. 使用Select-String可以过滤出文本文件中的信息。下面的命令行会从文件中过滤出包含 third短语的行。 PS C:\PowerShell> Get-Content .\info.txt | Select-String "third" Third Line 1. 2. 处理逗号分隔的列表 在...
ForEach-Object Performs an operation against each item in a collection of input objects. ? Where-Object Selects objects from a collection based on their property values. ac Add-Content Appends content, such as words or data, to a file. asnp Add-PSSnapIn Adds one or more Windows...
Filtering files by date (Get-Childitem | Select-Object | Where-Object) - what am I doing wrong? Filtering on NoteProperty Find a empty and not empty value in 2 lines in 2 columns at the same time Find AD users with blank (empty or null) DisplayName Find all files within a folder th...
It can also select unique objects from an array of objects or it can select a specified number of objects from the beginning or end of an array of objects. Sort-Object Sorts objects by property values. Tee-Object Saves command output in a file or variable and displays it in the console....