For Each name As String In processNames '/ The second parameter of this call tells PowerShell to enumerate the '/ array, and send one process at a time to the pipeline. WriteObject(Process.GetProcessesByName(name), True) Next End Sub 'ProcessRecord 代码示例 有关完整的 C# 示...
if($null-ne$value-and$value-ne0-and$value-ne''-and($value-isnot[array]-or$value.Length-ne0)-and$value-ne$false) {Do-Something} 只要你记住其他值被视为$false而不只是变量具有值,就完全可以使用基本的if检查。 几天前重构一些代码时,我遇到了此问题。 它的基本属性检查如下所示。
functionRemoveSpace([string]$text) { $private:array=$text.Split(" ", ` [StringSplitOptions]::RemoveEmptyEntries) [string]::Join(" ",$array) } PS C:\> RemoveSpace("PowerShell 中文博客的网址为 :http://www.pstips.net") PowerShell 中文博客的网址为 :http://www.pstips.net Concat()将多个...
-in 運算子-in就像運算子一樣,-contains但集合位於右側。 PowerShell $array=1..6if(3-in$array) {# do something} 變化: -in不區分大小寫的比對 -iin不區分大小寫的比對 -cin區分大小寫的比對 -notin不區分大小寫不相符 -inotin不區分大小寫不相符 ...
$array = value1,value2,... 连续的数(可正序可反序) $array=1..9 # 1,2,3,4,5,6,7,8,9 $array2 = 9..1 # 9,8,7,6,5,4,3,2,1 使用@符号 $array=@(value1,value2,...) $null_array = @() # 内容为空的数组 数组的访问: 数组索引 单个元素: 访问Index位置的元素 $ar...
In PowerShell, arrays have three properties that indicate the number of items contained in the array.Count - This property is the most commonly used property to determine the number of items in any collection, not just an array. It's an [Int32] type value. In Windows PowerShell 5.1 (...
Replace char[] array in CompletionRequiresQuotes with cached SearchValues (#24907) (Thanks @ArmaanMcleod!) Update IndexOfAny calls with invalid path/filename to SearchValues<char> for more efficient char searching (#24896) (Thanks @ArmaanMcleod!) Seal internal types in PlatformInvokes (#24826)...
Three Things You Might Not Know About Windows PowerShell Functions Using Windows PowerShell “Here-Strings” Using the Range Operator in Wildcard Queries What Is (and What Isn’t) in Our Array? Windows PowerShell Tip: Adding a Simple Menu to a Windows PowerShell Script Windows PowerShell Tip...
Now, how can we query $arrColors to determine whether or not any of the values in the array begin with the letters bl? Here’s how:Copy $arrColors -like "bl*" What we’re doing here is using the –like operator and the wildcard character (the asterisk) to check for the ...
As a binary operator, the comma creates an array or appends to the array being created. In expression mode, as a unary operator, the comma creates an array with just one member. Place the comma before the member. PowerShell $myArray=1,2,3$SingleArray= ,1Write-Output(,1) ...