Powershell script to List User Last Logon

last_user_logon.ps1

param(
      $domain,
      $users ) #end param

# Begin Functions

Function funWhatIf()
{
 "what if: Perform operation obtain lastlogon time for user $user from
  the $domain domain"
 exit
} #end funWhatIf

function funGetAllUsers()
{
 $attribute = "lastlogon"
 $searcher = new-object DirectoryServices.DirectorySearcher([ADSI]"$domain")
 $searcher.filter = "(&(objectClass=user)(objectCategory=person))"
 $users = $searcher.findall()
   foreach($user in $users)
    {
     if($user.properties.item("$attribute") -ne 0)
       {
        $attributeValue = [datetime]::FromFileTime([int64]::Parse($user.properties.item($attribute)))
        "$($user.properties.item(`"name`")) $attributeValue"
       } #end if user
    } #end foreach user
} #end funGetAllUsers

function funGetUsers()
{
 $attribute = "lastlogon"
 $searcher = new-object DirectoryServices.DirectorySearcher([ADSI]"$domain")
 ForEach($suser in $users)
  {
   $searcher.filter = "(&(objectClass=user)(sAMAccountName=$suser))"
   $colusers = $searcher.findall()
     foreach($user in $colUsers)
      {
       if($user.properties.item("$attribute") -ne 0)
       {
        $attributeValue = [datetime]::FromFileTime([int64]::Parse($user.properties.item($attribute)))
        "$($user.properties.item(`"name`")) $attributeValue"
       } #end if user
      } #end foreach user
  } #end foreach suser
} #end funGetUsers