require 한 것들 elasticsearch, readline, fs var elasticsearch = require('elasticsearch'); var rl = require('readline'); var fs = require('fs'); var conf = require('./conf'); var client = new elasticsearch.Client({ hosts: ["https://" + conf.els_id + ":" + conf.els_pw + "@" + conf.els_ip + ":" + conf.els_port] }); var r = rl.createInterface({ input: process.stdin, output: process.stdout }); r.questio..