### execute command
    ### get the data
    $dbHandle=$db->prepare($dbCommand);
    $dbHandle->execute();
    my $data = $dbHandle->fetchall_arrayref();

##</code><code>##

my $var1 = 0;
my $var2 = 1;

# Draw an axis with a pencil and a ruler
function($var1, $var2);

##</code><code>##

my $pencil = 0;
my $ruler  = 0;

draw_axis($pencil, $ruler);

sub draw_axis {
    my ($pencil, $ruler) = @_;

    if (! $pencil) {
        # On rare occasions, a pencil might be broken, so do this
        $pencil++;
    }
}