有幾個命令列小程式支援使用哈希表來建立自定義或計算屬性。 您通常會使用Select-Object和Format-Table來看到此專案。 哈希表具有特殊語法,在完全展開時看起來像這樣。 PowerShell $property= @{ Name ='TotalSpaceGB'Expression = { ($_.Used +$_.Free) /1GB } } ...
运算符 . 用于从对象中选择实例成员,或从 Hashtable中选择键。左侧操作数必须指定对象,右操作数必须指定可访问的实例成员。右操作数指定左操作数指定对象类型的可访问实例成员,或者,如果左侧操作数指定数组,则右操作数指定数组的每个元素内的可访问实例成员。
使用Format-Table 和 -Property 重新新增新行以利分組 (#10653) 在Get-Random 上,從 -InputObject 中移除 [ValidateNotNullOrEmpty],以允許空字串 (#10644) 建議系統字串距離演算法不區分大小寫 (#10549) (感謝 @iSazonov!) 修正ForEach-Object -Parallel 輸入處理中的 Null 參考例外狀況 (#10577) ...
When no data type is specified, PowerShell creates each array as an object array (System.Object[]). To determine the data type of an array, use the GetType() method. For example:PowerShell Copy $A.GetType() To create a strongly typed array, that is, an array that can contain only...
($return.pro -split"")[0]$mem= ($return.mem -split"")$newarraya= ($arraya-split"")$newarrayb= ($arrayb-split"")$pre= 0..($newarraya.Count - 1)for($i= 0;$i-le($newarraya.Count - 1);$i++) {$pre[$i] = ($newarrayb[$i] -$newarraya[$i]) /$zhouqi* 100 /$...
Use a Windows PowerShell array to specify multiple variables and their values; alternatively, use aHashtablewhere the key represent the variable name and the value the variable value. When using an array, parameter values are trimmed. This behavior was kept in v22 of the module for backward ...
Example 3: Format an array of different data types This example uses an array of different data types to highlight howFormat-Hexhandles them in the Pipeline. It will pass each object through the Pipeline and process individually. However, if it's numeric data, and the adjacent...
Add helper in EnumSingleTypeConverter to get enum names as array (#17785) (Thanks @fflaten!) Return correct FileName property for Get-Item when listing alternate data streams (#18019) (Thanks @kilasuit!) Add -ExcludeModule parameter to Get-Command (#18955) (Thanks @MartinGC94!) Update Nam...
array:- this- is- an- arrayhello: world"@PS C:\>$obj=ConvertFrom-Yaml$yamlPS C:\>$objName Value---anArray {1,2,3} nested {array} hello world PS C:\>$obj.GetType() IsPublic IsSerial Name BaseType---True True Hashtable System.Object Multiple YAML documents Unserializing multiple...
Get-Process | Format-Table @{Expression={$_.Name};Label="Process Name";width=25},ID That’s a good point: we should briefly explain command number 2, shouldn’t we? As you recall, our original command 2 looked like this: Copy Get-Process | Format-Table $a The truth is, there...