Adding If/Else Conditional Logic You can also use the PowerShell Not Equal operator inside the conditional statements, such as the if/else statement. Related:Back to Basics: Conditional Logic with PowerShell If-Else For example, a service must be running in most cases if its StartType value ...
# This statement returns true because book contains the string "oo" 'book' -match 'oo' 字元類別雖然字元常值可運作,但如果您知道確切的模式,字元類別可讓您較不明確。字元群組[character group] 可讓您一次比對任意數目的字元,而 [^character group] 只比對群組中的字元 NOT。PowerShell...
' operator. ParserError: Line | 1 | (Test-Path .vscode) ? (Write-Host 'exists') : Write-Host 'not found' | ~ | You must provide a value expression following the ':' operator. 此範例會剖析: PowerShell (Test-Path.vscode) ? (Write-Host'exists') : (Write-Host'not found')...
logical-not-operator: dash not dash: one of - (U+002D) EnDash character (U+2013) EmDash character (U+2014) Horizontal bar character (U+2015) 描述:運算子 視需要將一元表示式 指定的值轉換成bool類型 (),併產生該類型的結果。 如果 一元表達式值為True,則結果為 False,反之亦然。 運算子 ! 是...
function <name> [([type]$parameter1[,[type]$parameter2])] { <statement list> } 以下是這個替代語法的範例。 PowerShell 複製 function Add-Numbers([int]$one, [int]$two) { $one + $two } 雖然慣用第一個方法,但這兩種方法之間並無差異。 當您執行函式時,您為參數提供...
Operator Description -lt less than -le less than or equal to -gt greater than -ge greater than or equal to -eq equal to -ne not equal to -like like wildcard pattern matching -and logical and -or logical or Table 1: PowerShell Comparison Operators ...
Operation statement. You can also write an operation statement, which is much more like natural language. You can use the operation statement to specify a property value or call a method. Operation statements were introduced in Windows PowerShell 3.0. ...
PowerShell executes the begin statement when it loads your script, the process statement for each item passed down the pipeline, and the end statement after all pipeline input has been processed. 3. 采用main函数的script语句 function Main
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 ...
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...