Batch remove your old Facebook posts

clean_fb.rb

# You must have Ruby
# Install the following gems: capybara, poltergeist and koala
# Install phamtomjs (brew install phantomjs)
# Run with `ruby clean_fb.rb`

require 'koala'
require 'capybara'
require 'capybara/poltergeist'

# Create an Access Token at https://developers.facebook.com/tools/explorer (you may need to create an app)
TOKEN = ''

# Your Facebook login information
EMAIL = ''
PASSWORD = ''

# Remove all posts until this date
UNTIL_DATE = '2016-01-01'

def remove_posts(posts)
  File.open('not_deleted.log', 'w') do |f|

    posts.each do |p|
      id = p['id']
      short_id = id.split('_').last
      url = "https://mbasic.facebook.com/story.php?story_fbid=#{short_id}&id=#{short_id}"

      puts "=> Will delete post #{id}, #{url}"

      # Open post page
      @session.visit url

      begin
        # Go to delete page
        # It will fail if the post is a photo
        @session.within '#u_0_0' do
          @session.click_link "Delete"
        end

        # Confirm delete
        @session.click_button "Delete"

        puts "==> Deleted post #{id}"
        @posts_count += 1
      rescue Capybara::ElementNotFound => e
        puts "==> Can't delete post #{id}, skipping..."
        f.puts url
      end
    end

  end
end

@posts_count = 0

# Signin to FB
@session = Capybara::Session.new(:poltergeist)
@session.visit "https://mbasic.facebook.com/"
@session.fill_in 'email', with: EMAIL
@session.fill_in 'pass', with: PASSWORD
@session.click_button 'Log In'

# Authenticate with the Graph API
@graph = Koala::Facebook::API.new(TOKEN)

# Get all posts until UNTIL_DATE
@posts = @graph.get_connection('me', 'posts', { until: UNTIL_DATE, fields: ['id'] })

remove_posts(@posts)

until @posts.next_page.empty?
  @posts = @posts.next_page
  remove_posts(@posts)
end

puts "==> Deleted #{@posts_count} posts"