Where-Object [-InputObject <PSObject>] [-Property] <String> -Not [<CommonParameters>]DescriptionWhere-Object Cmdlet 會從傳遞給它的 物件集合中選取具有特定屬性值的物件。 例如,您可以使用 Where-Object Cmdlet 來選取在特定日期之後建立的檔案、具有特定標識碼的事件,或是使用特定 Windows 版本的電腦。 從Wi...
One of PowerShell’s most valuable functions is its ability to retrieve data. But unfiltered data can be overwhelming and chaotic. TheWhere-Objectcmdlet in PowerShell is designed to help users filter and manipulate data, turning excessive details into valuable information. Today, we'll delve into...
Get-Process | Get-Member Get-Service | Where-Object {$_.StartType -eq 'Automatic'} Pipelinekettenoperatoren && und || Führen Sie die rechtsseitige Pipeline bedingt basierend auf dem Erfolg der linksseitigen Pipeline aus. PowerShell Kopieren # If Get-Process successfully finds a process cal...
10 + @('Jack', 'Queen', 'King', 'Ace') CardDeck() { foreach($Suit in $this.Suits) { foreach($Value in $this.Values) { $this.Cards += "$Value of $Suit" } } $this.Shuffle() } [void] Shuffle() { $this.Cards = $this.Cards + $this.Dealt | Where-Object -FilterScript...
사용 Where-Object (또는 -eq)은 매번 전체 목록을 탐색하며 훨씬 느립니다. 변형: -contains 대/소문자를 구분하지 않는 일치 항목 -icontains 대/소문자를 구분하지 않는 일치 항목 -ccontai...
Version Source --- --- --- --- Alias where -> Where-Object Application where.exe 10.0.22621.1 C:\Windows\system32\where.exe You can run particular commands by including qualifying information that distinguishes the command from other commands that might have the same name. For cmdlets, you ...
$read_only= (Get-ChildItem*.txt |Where-Object{$_.IsReadOnly} ) 由于管道运算符 (|) 的优先级高于赋值运算符 (=),因此Get-ChildItemcmdlet 获取的文件将发送到Where-Objectcmdlet 进行筛选,然后再将其赋给$read_only变量。 以下示例演示了索引运算符优先于强制转换运算符。
In PowerShell, the key to metaprogramming (or writing programs that write or manipulate other programs), is something called thescriptblock. This is a block of script code that exists as an object reference but does not require a name. The Where-Object and Foreach-Object Cmdlets rely on scr...
Object[] 0 There are a few exceptions: The containment and type operators always return a Boolean value The -replace operator returns the replacement result The -match and -notmatch operators also populate the $Matches automatic variable unless the left-hand side of the expression is a c...
$groupid=(Get-EC2SecurityGroup|where-object{$_.GroupName-eq"NewSG"}).GroupId $subnet1=(Get-EC2Subnet|Where-Object{$_.CidrBlock-eq"10.2.1.0/24"}).SubnetId $subnet2=(Get-EC2Subnet|Where-Object{$_.CidrBlock-eq"10.2.2.0/24"}).SubnetId ...