digraph Perl
{
graph [ rankdir="TB" ]
node [ shape="oval" ]
edge [ arrowhead="odot" color="blue" ]
"node.1" [ color="pink" ]
"node.2" [ color="green" shape="rect" ]
"node.1" -> "node.2" [ arrowhead="odot" color="blue" label="" ]
}
digraph Perl
{
graph [ rankdir="TB" ]
node [ shape="oval" ]
edge [ arrowhead="odot" color="blue" ]
"node.1" [ color="pink" ]
"node.2" [ color="green" shape="rect" ]
"node.1" -> "node.2" [ arrowhead="odot" color="blue" label="" ]
}