Add-PSSnapin Microsoft.SharePoint.PowerShell -erroraction SilentlyContinue
 $site = new-object Microsoft.SharePoint.SPSite("http://test")
 $web = $site.OpenWeb()
 $csvfile = "C:\user.csv"
 $CSVData = Import-CSV -delimiter ";" -path $csvfile -Header("login", "Руководитель", "ФИО")
 
 function GrantUserpermission($userName)
 {
  [Microsoft.SharePoint.SPUserCollection]$spusers=[Microsoft.SharePoint.SPUserCollection]$web.SiteUsers
  [Microsoft.SharePoint.SPUser]$spuser=$spusers[$userName]
  $sproleass=new-object Microsoft.SharePoint.SPRoleAssignment([Microsoft.SharePoint.SPPrincipal]$spuser)
  $folder.BreakRoleInheritance("true")
  $sproleass.RoleDefinitionBindings.Add($web.RoleDefinitions["Чтение"])
  $folder.RoleAssignments.Add($sproleass);
  Write-Host "Permission provided for user ", $userName
 }
 $doclib=[Microsoft.SharePoint.SPDocumentLibrary]$web.Lists["test"]
 $foldercoll=$doclib.Folders;
 foreach($folder in $foldercoll)
 {
  Write-Host $folder.Name
  if($folder.Name.Equals($row.ФИО))
  {
   GrantUserPermission("i:0#.w|domen\" + $row.login)
  }
 Write-Host "Completed...."
 $web.Close()
 $site.Dispose()
 
 }

 foreach ($row in $CSVData) {
  
 $userName = "i:0#.w|domen\" + $row.login
 GrantUserpermission($userName)
 

 }