# File lib/rgl/dot.rb, line 58 58: def write_to_graphic_file (fmt='png', dotfile="graph") 59: src = dotfile + ".dot" 60: dot = dotfile + "." + fmt 61: 62: File.open(src, 'w') do |f| 63: f << self.to_dot_graph.to_s << "\n" 64: end 65: 66: system( "dot -T#{fmt} #{src} -o #{dot}" ) 67: dot 68: end