$hostname = hostname
$location = "C:\Windows\System32\Tasks"
$files = get-childitem $location
foreach ($file in $files) {
    if ($file.gettype() -match "Directory") {
        #skip directories
    }
    else {
        $filename = $file.toString()
        [xml]$xml = get-content "$location\$filename"
        foreach ($task in $xml.task) {
            $hostname+";"+$filename+";"+$task.registrationinfo.author+";"+$task.principals.principal.userid | out-string -width 500
        }
    }
}