windows powershell profile

Profile.ps1

function prompt  
{  
   # The at sign creates an array in case only one history item exists.  
   $history = @(get-history)  
   if($history.Count -gt 0)  
   {  
      $lastItem = $history[$history.Count - 1]  
      $lastId = $lastItem.Id  
   }  

   $nextCommand = $lastId + 1  
   $currentDirectory = get-location  

    $identity = [Security.Principal.WindowsIdentity]::GetCurrent()  
    $principal = [Security.Principal.WindowsPrincipal] $identity  

    write-host "[" -NoNewline
    if($principal.IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator"))  
    { 
    write-host "A" -NoNewline -ForegroundColor Red
    
     }else{
     
     write-host "N" -NoNewline -ForegroundColor Yellow
    
     }
     write-host -NoNewline  "][$nextCommand] $currentDirectory >"
     return " "

     
}