if陳述 以下是if語句的基本範例: PowerShell $condition=$trueif($condition) {Write-Output"The condition was true"} if語句所做的第一件事就是計算括號中的運算式。 如果計算結果為$true,則會在大括號中執行scriptblock。 如果值是$false,則會略過該腳本區塊。
<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
PowerShell 中的 if 语句用于执行条件判断,当条件为 true 时,执行相应的命令或代码块。语法结构如下: if (condition) { # commands or script block } 其中,condition 是一个条件表达式,如果该表达式的值为 $true$ 则执行 commands or script block, 否则不执行. 例如, 下面这段代码检查变量 $x$ 是否大于 ...
Continue a Windows PowerShell Script After Restart Continue after error Control MP4 playback using powershell Control size of Excel window openned with PoweShell? Conversion error when inserting into a SQL Server table Convert a perl script to use in powershell instead Convert a string to a PS...
Explanation of the SpeculationControl PowerShell script output The final output grid maps to the output of the preceding lines. This appears because PowerShell prints the object that is returned by a function. The following table explains each line in the PowerShell script output. ...
ADo-Whileloop is a variety of thewhileloop. In aDo-Whileloop, the condition is evaluated after the script block has run. As in awhileloop, the script block is repeated as long as the condition evaluates to true. Like aDo-Whileloop, aDo-Untilloop always runs at least once before the co...
Describes the Windows PowerShell script debugger, a set of cmdlets for debugging scripts and functions. about_Do Describes the Do statement, which runs a script block one or more times subject to a While or Until condition. about_Environment_Variables ...
To run a script from Task Scheduler, follow these steps. 1. Open Task scheduler –> Task Scheduler Library –> Create Task InGeneraltab, you can set scheduler name and description about the task like for what purpose the task has created. ...
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
Notice that under Windows PowerShell I must specify the path to the script (.\ if the script is in the current directory) even when the script is in the current directory.The overall structure of the test script is:Copy # file: testScript.ps1 function main { # code } function ...