ruby script to generate the routes based on the rails PR.

https://github.com/stevegraham/rails/pull/1

gen_routes.rb

@@ -0,0 +1,6 @@
+#!/usr/bin/env ruby
+arr    = ["foo", "bar", "baz", "qux", "quux", "corge", "grault", "garply"]
+paths  = arr.permutation(3).map { |a| "/#{a.join '/'}" }
+paths.each do |path|
+    puts "rtree_insert_path(n, \"#{path}\", NULL);"
+end