hacker.org

Code: Select all

words = {}

File.open('file', 'r').readlines.each do |line|
  line.split.each do |word|
      word.gsub!(/[[:punct:]]/, '')
      if words[word]==nil
        words.merge!(Hash[word=>0])
      else
        words[word]+=1
      end
    end
  
end

puts words.sort_by {|k,v|v}.first

Code: Select all

words = {}

File.open('file', 'r').readlines.each do |line|
  line.split.each do |word|
    if word.size == 9
      if words[word]==nil
        words.merge!(Hash[word=>0])
      else
        words[word]+=1
      end
    end
  end
end

puts words.max_by{|k,v|v}