require 'soap/marshal' class Node; include SOAP::Marshallable attr_reader :first, :second, :str def initialize(*init_next) @first = init_next[0] @second = init_next[1] end end n9 = Node.new n81 = Node.new(n9) n82 = Node.new(n9) n7 = Node.new(n81, n82) n61 = Node.new(n7) n62 = Node.new(n7) n5 = Node.new(n61, n62) n41 = Node.new(n5) n42 = Node.new(n5) n3 = Node.new(n41, n42) n21 = Node.new(n3) n22 = Node.new(n3) n1 = Node.new(n21, n22) File.open("digraph_marshalled_string.soap", "wb") do |f| SOAP::Marshal.dump(n1, f) end marshalledString = File.open("digraph_marshalled_string.soap").read puts marshalledString newnode = SOAP::Marshal.unmarshal(marshalledString) puts newnode.inspect p newnode.first.first.__id__ p newnode.second.first.__id__ p newnode.first.first.first.first.__id__ p newnode.second.first.second.first.__id__ File.unlink("digraph_marshalled_string.soap")