Create N lists by unzipping a the results of map.

gistfile1.rb

even_numbers,odd_numbers,starts_with_one = entire = (1..10).map do |x|
  [ (x if x % 2 == 0) ,(x if x % 2 != 0), (x if x.to_s[0] == '1') ]
end.transpose.map { |x| x.compact }

# The entities within the map [ ..., ..., ..N] end up in their respective list
# variables. compact is for removing nils from the resulting nested lists.