hatebu-crawl.js

var Request    = require('request');
var Moment     = require('moment');
var FeedParser = require('feedparser')

// config
var username = process.argv[2];
var baseUrl  = 'http://b.hatena.ne.jp/' + username + '/';
var rssUrl   = 'rss';

var baseYear  = parseInt(process.argv[3]);
var baseMonth = parseInt(process.argv[4]) - 1;
var baseDate  = parseInt(process.argv[5]);
var term      = process.argv[6] * -1;

var i = term + 1;

function parseBookmarks(i) {
  var dateUrl = Moment([baseYear, baseMonth, baseDate]).add(i, 'days').format('YYYYMMDD');
  var url = baseUrl + rssUrl + '?date=' + dateUrl;
  var options = {
    url: url,
    headers: {
      'User-Agent': 'from_rss_application'
    }
  };
  var req = Request(options);
  var feedparser = new FeedParser();
  var items = [];

  req.on('response', function(res) {  
    this.pipe(feedparser);
  });
  req.on('end', function() {
    i = i + 1;
    if( i <= 0 ) {
      parseBookmarks(i);
    }
  });

  feedparser.on('error', function(error) {
    console.log(error);
  });
  feedparser.on('readable', function() {  
    var item;
    while(item = this.read()) {
      items.push(item);
    }
  });
  feedparser.on('end', function() {  
    items.forEach(function(item) {
      console.log('- [' + item.title + ']' + '(' + item.link + ')');
    });
  });
}

parseBookmarks(i);

Requirement

$ npm install --save-dev request moment feedparser

Usage

$ node hatebu-crawl.js USERNAME YYYY MM DD DATES

Ex ) 
$ node hatebu-crawl.js imu16 2016 04 22 7
// 2016/4/16 - 2016/4/22 のimu16のブックマークを取得