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$false,則會略過該腳本區塊。
if语句执行的第一步是计算括号中的表达式。 如果计算结果为$true,则执行大括号中的scriptblock。 如果值为$false,则会跳过该脚本块。 在上面的示例中,if语句仅计算$condition变量。 其计算结果为$true,将在脚本块内执行Write-Output命令。 在某些语言中,可以在if语句后放置一行代码,它将会得以执行。 在 PowerSh...
Step 2.After getting the product's name, if you want to uninstall it remotely, use the script below. $computerName = "PCName" $appName = "AppName" $yourAccount = Get-Credential Invoke-Command -ComputerName $computerName -Credential $yourAccount -ScriptBlock { Get-WmiObject Win32_product ...
BREAK comand exiting entire script, not just the IF/ELSE loop Broken PSSession cmdlet Bug? Invoke-RestMethod and UTF-8 data Building a string from a Get-ADComputer output adds @{Name= to the computer name Bulk adding Active Directory users to a group by Display Name with PowerShell Bulk ch...
steps:- powershell:string# Required as first property. Inline PowerShell script.errorActionPreference:string# Unless otherwise specified, the error action preference defaults to the value stop. See the following section for more information.failOnStderr:string# Fail the task if output is sent to St...
PowerShell executes the begin statement when it loads your script, the process statement for each item passed down the pipeline, and the end statement after all pipeline input has been processed. 3. 采用main函数的script语句 function Main
This will also return a true condition because the-matchoperation seeks a matching regular expression anywhere in the string. Every time you use the-matchoperator and it returns a true condition, then PowerShell also creates the$Matchesvariable. In the example, if you enter the$Matchesvaria...
If you don’t, you’ll have a tough time properly matching opening and closing curly brackets in complex scripts. Also, all of the other Windows PowerShell kids will make fun of you. Consider this poorly formatted script: T-SQL Copy function mine { if ($this -eq $that){ get-service...
If the script is not running with the –debug switch, the script will print out the value of the $action variable and tell the user to use either Start or Stop. If it is running with the debug switch, several different lines are printed. In any case, the script will exit by calling...
Tracepoints allow you to emit information to the Debug Console (or change state in your script) without ever pausing the debugger. These are effectively the same as using Set-PSBreakpoint -Action {scriptblock} where the scriptblock tests for a certain condition, and if met, executes some scr...