#!/usr/bin/env ruby

require 'graphshaper'

if ARGV.length == 0 || ARGV[0] == "--help"
  puts "  Usage: graphshaper SIZE"
else
  inner_nodes = 20
  number_of_nodes = ARGV[0].to_i
  
  graph = Graphshaper::UndirectedGraph.without_orphans_with_order_of 20, edge_creation_logger: STDOUT
  (number_of_nodes - inner_nodes).times do
    graph.add_vertex do |preferential_attachment|
      preferential_attachment > rand
    end
  end
end