#set the COM port number here
$portno = 4
$test_word="Test"
$result1 = "NoRun"
$result2 = "NoRun"
$invalid = "Invalid"
$count = 1

#Write-Host $command_string
$port= new-Object System.IO.Ports.SerialPort COM$portno,9600,None,8,one

ForEach ($word in Get-Content "C:\Users\jperkins\Downloads\4-numeric.txt")
{
$command_string="$word`n"
$port.open()
$port.WriteLine("$command_string")
$result1 = $port.ReadLine()
$result2 = $port.ReadLine()
$port.Close()

Write-Host -NoNewLine $count`t
Write-Host -NoNewLine $word`t
#Write-Host $result1
Write-Host $result2
    If ($result2 -NotMatch "invalid system")
    {
    Write-Host $word
    Write-Host $result2
    $word>>"C:\Users\jperkins\Dropbox\pw_result.txt"
    Break
    }

$count++
Start-Sleep -Milliseconds 25
}