occur

gistfile1.coffee

#!/usr/bin/env coffee

readline = require 'readline'

occ = Object.create null

# http://stackoverflow.com/a/15554600
rd = readline.createInterface
  input: process.stdin
  output: process.stdout
  terminal: false

rd.on 'line', (line) ->
  occ[line] ?= 0
  occ[line] += 1

rd.on 'close', ->
  console.log occ