list-up tumblr followings

list-up_tumblr_followings.user.js

// ==UserScript==
// @id             list-up tumblr followings
// @name           list-up tumblr followings
// @version        1.0
// @namespace      http://www.tumblr.com/
// @author         saitamanodoruji
// @description    
// @include        http://www.tumblr.com/following
// @run-at         document-end
// @grant          GM_registerMenuCommand
// @grant          GM_log
// ==/UserScript==

(function() {

  // This function removes duplicate from the array given as an argument
  // and return an array which contains removed elements.
  var removeDuplicate2 = function(a) {
    var b = [], i = 1, j, k
    while (i < a.length) {
      k = a.length
      for (j = 0; j < i; j++) {
        if (a[i] === a[j]) {
          b.push(a[j])
          a.splice(i,1)
          break
        }
      }
      if (k == a.length) i++
    }
    return b
  }

  GM_registerMenuCommand('make the list of names', function() {
    var followings = Array.prototype.slice.call(document.querySelectorAll('.name'))
    var names = followings.map(function(n) { return n.textContent })
    var dupNames = removeDuplicate2(names)
    GM_log('\n' + document.location
           + '\n\n' + dupNames.length + ' followings are duplicated.\n' + dupNames.join('\n')
           + '\n\nfollowing ' + names.length + ' tumblelogs.\n' + names.join('\n'))
  })

})()