use GD::Graph;

my @data = (
    ["1st","2nd","3rd","4th","5th","6th","7th","8th", "9th"],
    [    1,    2,    5,    6,    3,  1.5,    1,     3,     4],
    [ sort { $a <=> $b } (1, 2, 5, 6, 3, 1.5, 1, 3, 4) ]
    );



  my $graph = GD::Graph::lines->new(400, 300);


  $graph->set(
      x_label           => 'X Label',
      y_label           => 'Y label',
      title             => 'Some simple graph',
      y_max_value       => 8,
      y_tick_number     => 8,
      y_label_skip      => 2
  );

  my $gd = my $my_graph->plot(\@data);
  open(IMG, '>file.gif') or die $!;
  binmode IMG;
  print IMG $gd->gif;