This still works correctly in anifstatement. So a value is returned by your operator, then the whole statement is$true. PowerShell $array=1..6if($array-gt3) {# do something} There's one small trap hiding in the details here that I need to point out. When using the-neoperator this...
<statement> {-AND | -OR | -XOR} <statement> {! | -NOT} <statement> 使用逻辑运算符的语句返回布尔值 (TRUE 或 FALSE) 值。 PowerShell 逻辑运算符仅计算确定语句真实值所需的语句。 如果包含 和 运算符的语句中的左操作数为 FALSE,则不计算右操作数。 如果包含 或 语句的语句中的左操作数为 TRU...
# 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...
You can also use this technique In the context of a conditional statement, such as theifstatement. PowerShell if($textFiles=Get-ChildItem*.txt) {$textFiles.Count } In this example, if no files match, theGet-ChildItemcommand returns nothing and assigns nothing to$textFiles, which is consider...
Beginning in PowerShell 7.2, when the left-hand operand in a -replace operator statement isn't a string, that operand is converted to a string. PowerShell does a culture-insensitive string conversion. For example, if your culture is set to French (fr), the culture-sensitive string conversion...
If the function has aprocesskeyword, each object in$inputis removed from$inputand assigned to$_. The following example has aprocessstatement list: PowerShell functionGet-PipelineInput{process{"Processing:$_"}end{"End: The input is:$input"} } ...
Windows PowerShell Tip: Using the Switch Statement Windows PowerShell Tip: Working With Custom Objects Windows PowerShell Tip: Working With SIDs Windows PowerShell Tip: Working With Security Descriptors Working with Hash Tables Accessing WMI from Windows PowerShell ...
Like most (if not all) Windows PowerShell operators, you can also perform case-sensitive checks using the–ccontainsand the–cnotcontainsoperators (the letterctacked onto the front of each operator stands for “case sensitive”). For example: ...
Ok we can fix that if we allow chains whenreturnis the start of the statement but not when we’re in a chain. But now we have two kinds of return statement and pipelines aren’t just degenerate pipeline chains, they have all these caveats. ...
1. What is the primary purpose of an if-else statement in PowerShell? A. To define functions B. To perform conditional operations C. To iterate over collections D. To handle errors Show Answer 2. Which keyword is used to start an if statement in PowerShell? A. when B. if ...