code: function handleExport(resultString) {
      if (resultString === "") {
          process.exit(500);
      }
  
      let targetPath = path.join(currentDir, argv.exportOutput);
      fs.writeFileSync(targetPath, resultString);
      console.log("Finished writing csv file to:", targetPath);
  }
docs: handleExport - Handles the csv string generated by elm and saves it to exportOutput.
  
  @param  {String} resultString A CSV string of all translations.