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# ----------------------------------------------
# Author: Iulian Atodiresei
# Date: 09.04.2013
# Description: List WebUIversion (SharePoint version) of all webs in SharePoint Farm.
# ----------------------------------------------

[System.Reflection.Assembly]::LoadWithPartialName("Microsoft.SharePoint") > $null 

$farm = [Microsoft.SharePoint.Administration.SPFarm]::Local 
$websvcs = $farm.Services | where -FilterScript {$_.GetType() -eq [Microsoft.SharePoint.Administration.SPWebService]} 
$webapps = @() 
write-output "WebApplication;URL Collection de sites;URL Site;Version UI" | out-file -filepath output.csv -append
foreach ($websvc in $websvcs) { 
    foreach ($webapp in $websvc.WebApplications) { 
        #write-output "$($webapp.Name);;;;"            
		foreach ($site in $webapp.Sites) { 
			#write-output ";$($site.URL);;;" 			
			foreach ($web in $site.AllWebs) { 
				#write-output ";;$($web.URL);$($web.UIVersion)" 
				write-output "$($webapp.Name);$($site.URL);$($web.URL);$($web.UIVersion)"  | out-file -filepath output.csv -append
			} 

		} 

    } 

}