ruby code

gistfile1.rb

# let's count words
a = ['the quick brown fox jumped over the log', 'the slow brown fox ran fast', 'the blue fast cat jumped']

a.reduce({}) { |m, o| 
  o.split(' ').each{ |w| 
    m.key?(w) ? m[w] = m[w]+ 1 : m[w] = 1 
  }
  m 
}.sort { |a,b| b[1] <=> a[1] }

# => [["the", 4], ["brown", 2], ["fast", 2], ["jumped", 2], ["fox", 2], ["log", 1], ["slow", 1], ["ran", 1], ["over", 1], ["cat", 1], ["blue", 1], ["quick", 1]]