ruby-exercise-4-answer.rb

#The exercise is to make the last exercise answer clearer, shorter and simpler using methods
def last_word line
  line.split(/[\W]+/).last
end


snowy = File.read 'the-man-from-snowy-river.txt'

snowy_lines = snowy.lines

puts "Here are all the rhyming pairs from the ends of the Snowy lines"
i = 0

#rewrite this to use map rather than while
words = snowy_lines.map{|line| last_word line}
words.each_slice(9).each do |stanza|
  [0, 1, 4, 5].each{|n| puts "#{stanza[i + n]}, #{stanza[i + n + 2]}" }
end
puts