Script

http://gallery.technet.microsoft.com/scriptcenter/Lists-all-the-shared-5ebb395a

http://community.spiceworks.com/scripts/show/1070-export-folder-permissions-to-csv-file

$OutFile = "C:\Permissions.csv"
$Header = "Folder Path,IdentityReference,AccessControlType,IsInherited,InheritanceFlags,PropagationFlags"
Del $OutFile
Add-Content -Value $Header -Path $OutFile 

$RootPath = "C:\Test"

$Folders = dir $RootPath -recurse | where {$_.psiscontainer -eq $true}

foreach ($Folder in $Folders){
 $ACLs = get-acl $Folder.fullname | ForEach-Object { $_.Access  }
 Foreach ($ACL in $ACLs){
 $OutInfo = $Folder.Fullname + "," + $ACL.IdentityReference  + "," + $ACL.AccessControlType + "," + $ACL.IsInherited + "," + $ACL.InheritanceFlags + "," + $ACL.PropagationFlags
 Add-Content -Value $OutInfo -Path $OutFile
 }}