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  1. or download this
    
    my $lfh;
    ...
    $rstring  = <$lfh>;  # Char speeds
      ($c_speed[0], $c_speed[1], $c_speed[2], $c_speed[3]) = sscanf("%d %d
    + %d %d", $rstring);
    
  2. or download this
    
    open( my $lfh, '<', $load_fn ) or
            die "Unable to open file $load_fn : $!";
    my @c_speed = split ' ', <$lfh>;  # Char speeds