powershell 25 backup restore scheduled task

 function backup {

    

    $Alltasks = Get-ScheduledTask

    $backupFolder = "c:\users\bob\desktop\tasks"

    New-Item $backupFolder -ItemType Directory -Force

    $Alltasks | Export-Clixml $backupFolder\backup-info.csv

    foreach ($task in $Alltasks){

        try{

            $result = Export-ScheduledTask -TaskName $task.TaskName -TaskPath $task.TaskPath

            if($result){

                $result | Out-File ("$backupFolder\$($task.TaskName).xml")

            }

            $result = $null

        }

        catch{

            $_

        }

    }

    

}

function restoreTasks(){

    $backupFolder = "c:\users\bob\desktop\tasks"

    $AllItems = Get-ChildItem $backupFolder -Filter *.xml

    foreach ($item in $AllItems){

        [string]$rawxml = Get-Content $item.FullName

        [xml]$xml = $rawxml

        $registration = $xml.Task.RegistrationInfo.URI -split('\\')

        $C = $registration.Count - 1

        $taskname = $registration[$C].Trim()

        $taskpath =  $xml.Task.RegistrationInfo.URI

        try{

            Register-ScheduledTask -Xml $rawxml -TaskName $taskname -TaskPath (Split-Path $taskpath)`

            -ErrorAction SilentlyContinue -Force

        }

        catch{...}

    }

}

function removeTasks {

    Get-ScheduledTask | Unregister-ScheduledTask -Confirm:$false

}  

reference:

https://www.youtube.com/watch?v=t337sC68iRs