ruby-graphviz を使う
sudo port install graphviz
#!/usr/bin/ruby require "rubygems" gem "ruby-graphviz" require "graphviz" g = nil if ARGV[0] g = GraphViz::new( "G", :path => ARGV[0] ) else g = GraphViz::new( "G" ) end main = g.add_node( "main" ) parse = g.add_node( "parse" ) execute = g.add_node( "execute" ) init = g.add_node( "init" ) cleanup = g.add_node( "cleanup" ) make_string = g.add_node( "make_string" ) printf = g.add_node( "printf" ) compare = g.add_node( "compare" ) g.add_edge( main, parse ) g.add_edge( parse, execute ) g.add_edge( main, init ) g.add_edge( main, cleanup ) g.add_edge( execute, make_string ) g.add_edge( execute, printf ) g.add_edge( init, make_string ) g.add_edge( main, printf ) g.add_edge( execute, compare ) g.output( :output => "png" )
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- コマンドラインで出力をリダイレクトで受ける
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- こんな感じ