hi all hope ye can help im a newbie to perl and im trying save a png image that i created using gD::graph the following is the code i have 
sub graph
{

my $graph = new GD::Graph::lines(500,350);
my $gd_image = $graph->plot(\@data);
# print header(-type => "image/png");
# binmode STDOUT;
# print $gd_image->png;

open (TMPFILE,">file.png");
binmode TMPFILE;
131 print TMPFILE $gd_image->png;
close TMPFILE;
}

[download]
thje following is the error i recieve Can't call method "png" on an undefined value at /var/www/cgi-bin/Findit.cgi line 131. line 131 is marked on the code above this function is to be called multiple times..

In reply to save a png image by Anonymous Monk

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