โปรแกรมสำหรับ แกะ e-mail จาก folder ครับ

parse_mail.js

var MailParser = require('mailparser').MailParser
var fs = require('fs')
var dirname = 'data/'
var resultDir = 'result/'
var async = require('async');

if (!fs.existsSync(resultDir)){
  fs.mkdirSync(resultDir)
}

var filenames = fs.readdirSync(dirname)

async.forEachOfSeries(filenames, function (filename, val, cb) {
  var mailparser = new MailParser()
  mailparser.filename = filename
  mailparser.on('end', function(mail_object){
    fs.writeFile(resultDir + mailparser.filename + '.json', JSON.stringify(mail_object))
    cb();
  })
  mailparser.write(fs.readFileSync(dirname + filename).toString())
  mailparser.end();
  console.log(val, filename);
}, function(err) { console.log(err)});