param(
    [Parameter(Mandatory=$true)]
    [string]$url
)

function Write-Log($msg)
{
    Write-Host $msg -foregroundcolor green
    ($msg) | Out-File "log.txt" -Append
}

function Write-Log2($msg)
{
    Write-Host $msg -foregroundcolor green
    ($msg) | Out-File "log2.txt" -Append
}

function Enum-Users-Web($web)
{
    Write-Log ("`tWeb:" + $web.Url)
	$webLogged = $false
    foreach ($g in $web.SiteGroups)
    {
        if ($g.Name.EndsWith("Responsible property managers") -and $g.Users.Count -eq 0)
		{
			if (-not $webLogged)
			{
				Write-Log2 ("")
				Write-Log2 ($web.Url)
				$webLogged = $true
			}
			Write-Log2 ($g.Name)
		}
    }
}

function Enum-Users-Site-Col($site)
{
    Write-Log ("Site:" + $site.Url)
	Enum-Users-Web $site.RootWeb
    <#foreach ($w in $site.RootWeb.Webs)
    {
        Enum-Users-Web $w
    }#>
}

$wa = Get-SPWebApplication $url
foreach ($site in $wa.Sites)
{
    Enum-Users-Site-Col $site
}
#$site = Get-SPSite $url
#Enum-Users-Site-Col $site
#$web = Get-SPWeb $url
#Enum-Users-Web $web