WinActivate("My Application")
WinWaitActive("My Application")
$file = "C:\Users\Charlie\Desktop\log.txt"     ;Log file from where data will be captured

$file1 = FileRead($file)
Local $a = 0         ;Loop counter variable

Do
    $a += 1       ;Adds 1 to the loop counter
    Send("INSTANCE " & $a & "{ENTER}")
    Sleep(1000)          ;Waits
 Until $a = $File1                  ;How many times to loop