$var = 0
while($var -lt 30) {
    Write-Host "Nummer: $var"
    $var++ }    
Write-Host $var

$var = 10
do {
    Write-Host "Nummer: $var"
    $var++
} while($var -lt 30)   

$var = 999
do {
    $var = $var-[int](Read-Host "Wie viel sollen wir abziehen?")
    Write-Host "Wert: $var"
} until($var -lt 100)         

for($i=10; $i -lt 20; $i++) {
    $i }
Write-Host $i

for($i=10; $i -lt 20; $i++) {
    if($i -eq 15) {
    continue }
    $i }
Write-Host $i

$elemente = Get-ChildItem
forEach($elemente in $elemente) {
    $elemente.Name }

$elemente = Get-ChildItem
Get-ChildItem | ForEach-Object {
    $_.Name }