<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
-bor binary OR -bxor binary exclusive OR -bnot binary NOT -shl shift left -shr shift right PowerShell expressions We can use normal PowerShell inside the condition statement. PowerShell Copy if ( Test-Path -Path $Path ) Test-Path returns $true or $false when it executes. This also...
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...
In this structure, if eithercondition1orcondition2evaluates to true, the code block will execute. This makes it easy to create scripts that can adapt to different scenarios. When working with Git, the or operator can be particularly useful for checking the status of your repository or files. ...
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: ...
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
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...
Consequently, it will contain the previously set value, or $null if the variable hasn't been set. When referencing $Matches after invoking one of these operators, consider verifying that the variable was set by the current operator invocation using a condition statement. Example: PowerShell ...
Add a URL rewrite condition on IIS using Powershell Add Array Items to Listbox Add blank column to csv with no header? Add column to text file Add columns to PowerShell array and write the result to a table Add computer to AD group Add computers to domain in bulk / mass Add Com...