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#Log in to Azure account
Login-AzureRmAccount
#Get list of Azure Subscription ID's
$Subs = (get-AzureRMSubscription).ID
#Loop through the subscriptions to find all empty Resource Groups and store them in $EmptyRGs
ForEach ($sub in $Subs) {
Select-AzureRmSubscription -SubscriptionId $Sub
$AllRGs = (Get-AzureRmResourceGroup).ResourceGroupName
$UsedRGs = (Get-AzureRMResource | Group-Object ResourceGroupName).Name
$EmptyRGs = $AllRGs | Where-Object {$_ -notin $UsedRGs}
#Loop through the empty Resorce Groups asking if you would like to delete them. And then deletes them.
foreach ($EmptyRG in $EmptyRGs){
$Confirmation = Read-Host "Would you like to delete $EmptyRG '(Y)es' or '(N)o'"
IF ($Confirmation -eq "y" -or $Confirmation -eq "Yes"){
Write-Host "Deleting" $EmptyRG "Resource Group"
Remove-AzureRmResourceGroup -Name $EmptyRG -Force
}
}
}
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