I'll be using a four-element array that represents all the cases. Here's the PSv4 syntax for the optimized .Where({}). Since we're only filtering out $null, the expected count of elements remaining in the list/array should be 3, and as we can see, it is. ...
TheRemoveAt()method in PowerShell is used to remove an element from an array at a specific index position. This method modifies the original array by removing the element at the specified index and shifting all subsequent elements to the left to fill the gap. ...
Change the value of an array element in ForEach loop? Changing contents of a text box multiple times in a powershell form Changing email Categories with PowerShell Changing file time Changing Local Group Policy and Local Security Policy via PowerShell Changing nth character for each item of a...
您也可以使用 Remove-Item Cmdlet,但指派 的值 $null 較快,特別是針對大型陣列。零或一個陣列從Windows PowerShell 3.0 開始,零或一個 物件的集合具有 Count 和Length 屬性。 此外,您也可以將索引編製成一個 對象的陣列。 這項功能可協助您避免當預期集合的命令取得少於兩個專案時所發生的腳本錯誤。
Specifies, as a string array, an item or items that this cmdlet includes in the operation. The value of this parameter qualifies thePathparameter. Enter a path element or pattern, such as"*.txt". Wildcard characters are permitted. TheIncludeparameter is effective only when the command includes...
Gibt als Zeichenfolgenarray ein Element oder elemente an, das dieses Cmdlet in den Vorgang einschließt. Der Wert dieses Parameters qualifiziert denPath-Parameter. Geben Sie ein Pfadelement oder Einmuster ein, z"*.txt". B. . Platzhalterzeichen sind zulässig. DerInclude-Parameterist nur ...
Specifies, as a string array, an item or items that this cmdlet includes in the operation. The value of this parameter qualifies thePathparameter. Enter a path element or pattern, such as"*.txt". Wildcard characters are permitted. TheIncludeparameter is effective only when the command includes...
使用Remove-PSDrive来删除你创建的驱动器。如果该驱动器正在使用则不能删除。注意在使用New-PSDrive和Remove-PSDrive创建或删除驱动器时,指定的字母不能包含冒号,但是在使用驱动器工作时必须指定冒号。 Remove-PSDrive desktop 1. 读取文本文件的内容 使用Get-Content可以获取文本文件的内容: PS C:\PowerShell> Get-...
# If npm install fails, the node_modules directory is removednpm install ||Remove-Item-Recurse./node_modules For more information, seeAbout_Pipeline_Chain_Operators. Range operator.. The range operator can be used to represent an array of sequential integers or characters. The values joined by...
I can also specify the specific character to trim by typing the characters. In this example, I type the< space> acharacters as a single array element, so it will only delete<space> afrom the end of the string: PS C:\> $string = "a String a" ...