while (1)
{
    # This tells us if the processReader has data for us to read
    if(@ready=$select->can_read(0))
    {
       # Read the data, if it fails, its because we reached
       # the End of file.
       if(read($ready[0], $tmp, 128))
       {
          $read_flag=1;
       }
       # Add the output from the process to the variable
       $output.="$tmp";
   
       # We don't have any more to read, break out of the loop
       if(eof($ready[0]) )
       {
          last;
       }
   }else{
       sleep(2);
   }
}