merge_sort.js

'use strict'

function mergeSort(arr) {

}

function merge(left, right) {

}

// Driver code
function main() {

  sort_from_file('random_wordlist.txt')
  sort_from_file('reversed_wordlist.txt')
  sort_from_file('sorted_wordlist.txt')

}

function sort_from_file(filename) {
  let fs = require('fs')

  fs.readFile(filename, (err, data) => {

    if (err)
      return console.log(err)

    let items = data.toString()
      .split("\r\n")

    console.log(filename)
    console.log("--------")
    console.log(mergeSort(items))

  })
}

main()