Unique Permission only across List / library level

<#
******-----------------------------------------------------------------------******
Author          -> Shiv Mangal Singh
Date            -> 27th Jan - 2017
Description     -> This Script will generate Unique Permission details across List & document library level(Folder & nth Level sub folder & Item Level)
Path of csv file->$path = "D:\contosoMW_Team\Shiv\27Jan17\UniquePermissions.csv"
Site Collection Name --> $site = Get-SPSite "https://ms.contoso.net/global/sapcoe/"

******-----------------------------------------------------------------------******
 #>

Add-PSSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue
 #Get Site Name
$web = Get-SPWeb "https://ms.contoso.net/global/treasuryrrp"
$list =$web.GetList("https://ms.contoso.net/global/treasuryrrp/2017%20Resolution%20Plan")
Write-Host $list.Title

#Write Header to CSV File
"Site/List `t Title `t URL" | out-file UniquePermissions.csv
$FileDirectory = "D:\contosoMW_Team\shravan\UniquePermissions.csv"
$permissionLevel ="Full Control"
# You can Pass here User's account with domain name or SharePoint Group Name
             $accountName ="r1-core\skumarwa"
              if ($accountName.Contains("\"))
                 {
                 $account = $Web.EnsureUser($accountName)
                 }
                 else
                 {
                 $account = $Web.SiteGroups[$accountName]
                }
# End for Users account and Group  
      if (($list.HasUniqueRoleAssignments) -and ($list.Hidden -eq $false))
       {
       Write-Host $list.Title

        $result= "List `t $($list.Title) `t $($web.Url +"/"+$list.Url)"
        $result | Out-File $FileDirectory -Append
     # To grant group permission on List level
           try
           {
           
           #$roleAssignemnet =New-Object Microsoft.SharePoint.SPRoleAssignment($grp)
            $roleAssignemnet =New-Object Microsoft.SharePoint.SPRoleAssignment($account)
            $roldefinition = $web.RoleDefinitions[$permissionLevel]
            $roleAssignemnet.RoleDefinitionBindings.Add($roldefinition)
            $list.RoleAssignments.Add($roleAssignemnet)
            $list.Update();
            }
            catch
            {
            Write-Host $_.Exception.Message -ForegroundColor Yellow
            }
     # End group permission on list level
      }
      #Loop through each Item in the List
       foreach($item in $list.items)
       {
        if($item.HasUniqueRoleAssignments -eq $true)
        {
        Write-Host $item.Url
        $result= "Item `t $($item.Title) `t $($web.Url +"/"+$item.Url)"
        $result | Out-File $FileDirectory -Append
        # To grant group permission on Item level
           try
           {
            $roleAssignemnet =New-Object Microsoft.SharePoint.SPRoleAssignment($account)
            $roldefinition = $web.RoleDefinitions[$permissionLevel]
            $roleAssignemnet.RoleDefinitionBindings.Add($roldefinition)
            $item.RoleAssignments.Add($roleAssignemnet)
            $item.Update();
            }
            catch
            {
            Write-Host $_.Exception.Message -ForegroundColor Yellow
            }
       # End group permission on Item level
      }

   }
   #End Each Item Loops
 
  #Loop through each Folder in the List
        foreach($folder in $list.Folders)
        {
        if($folder.HasUniqueRoleAssignments -eq $true)
        {
          Write-Host $folder.Url
          $result = "Folder `t $($folder.Title) `t $($web.Url +"/"+$list.Url+$folder.Url)"
          $result | Out-File $FileDirectory -Append
      # To grant group permission on folder level
       try
       {
        $roleAssignemnet =New-Object Microsoft.SharePoint.SPRoleAssignment($account)
        $roldefinition = $web.RoleDefinitions[$permissionLevel]
        $roleAssignemnet.RoleDefinitionBindings.Add($roldefinition)
        $folder.RoleAssignments.Add($roleAssignemnet)
        $folder.Update();
        }
        catch
        {
        Write-Host $_.Exception.Message -ForegroundColor Yellow
        }# End group permission on folder level# End group permission on folder level
 
    }
 
    }#Loop through each Folder in the List
    $web.Dispose()