foreach($webapp in Get-SPWebApplication) {
                    foreach ($site in $webApp.Sites) {
                    Write-Host processing $site.Url
                        #if onesite parameter is present
                         if (($onesite -ne $null) -and ($onesite -ne “”))
                        {
                            #check does this is the only one selected web for processing
                        
                    
	                
            By Indra
SharePoint Architect