<condition>如果 、<if-true>或<if-false>表达式调用命令,则必须将其括在括号中。 否则,PowerShell 会为 表达式中的<condition>命令引发参数异常,并分析 和<if-false>表达式的<if-true>异常。 例如,PowerShell 会为以下三元项引发异常: PowerShell
-bandbinary AND -borbinary OR -bxorbinary exclusive OR -bnotbinary NOT -shlshift left -shrshift right PowerShell expressions We can use normal PowerShell inside the condition statement. PowerShell if(Test-Path-Path$Path) Test-Pathreturns$trueor$falsewhen it executes. This also applies to com...
BREAK comand exiting entire script, not just the IF/ELSE loop Broken PSSession cmdlet Bug? Invoke-RestMethod and UTF-8 data Building a string from a Get-ADComputer output adds @{Name= to the computer name Bulk adding Active Directory users to a group by Display Name with PowerShell Bulk ch...
If / else conditions are the most useful conditions in a scripting language and you may want to use multiple times while writing script. If the first condition in If the statement fails then the second stage is ElseIf statement. InElseIfblock you can also specify your conditions or test val...
与和else关键字一起使用if可指定其他条件。 关键字 (keyword)else是可选的。 语法: Syntax if (<condition>) {<statement list>} elseif (<condition>) {<statement list>} else {<statement list>} end 指定函数主体的一部分,以及dynamicparam、begin和end关键字。 语句end列表在从管道收...
Also, by default Powershell already includes the Boolean variables $True and $False to represent True and False. You can use them in any session or script. Evan7191(Evan7191)July 17, 2017, 1:09pm9 Example: If (condition is true) ...
"What is the right way to use if condition that can receive $True or 'True or $False or 'False'" There's a number of ways, but I would recommend keeping a string constant to the left, with the variable being checked to the right of the operand, like this: ...
Yes, you can combine the or operator with other logical operators like and (-and) to create more complex conditions. What is the difference between -or and -and in PowerShell? The-oroperator returns true if at least one condition is true, while the-andoperator returns true only if all co...
function name or label. The function is invoked by simply typing the function name, and the list of statements is executed as if an administrator typed them at the command prompt. A function can be as simple as one-line command with parameters or as complex as a full cmdlet or application...
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