merge.js

var mergesort = require('./src/sorting/mergesort.js').mergeSort;                                                                                                                                                                                    

var args = process.argv.slice(2);
if (args.length === 0)
  return 1;

var size = parseInt(args[0]);
var a = []; 
for (var i = 0; i < size; i++)
  a.push(Math.floor(Math.random() * 100));

mergesort(a);