old_contents: 'use strict';
  
  module.exports.init = function (opts) {
    console.log(opts);
    return 'test';
  }
  
  var test = 'test';
  
new_contents: 'use strict';
  
  var fs = require('fs');
  
  exports.read_all = function() {
  
  
  module.exports.parse = function (filename) {
    var contents = fs.readFileSync(filename);
  
    console.log(contents[0]);
    return 'test';
  }
  
  var test = 'test';
  
subject: read from file