This is python script to thank people on your wall whoever wished you on your birthday. I patched up this script and make it work :-) Thanks to Quora ;)

WishThankyou.py

import requests
import datetime
import time
import json

#Get the access token from  https://developers.facebook.com/tools/explorer with publish permission & paste it here :)
TOKEN = ''
BIRTH_DATE = '08/30/1989'

def get_posts():
    #Birthdate spliting 
    bday = datetime.datetime.strptime(BIRTH_DATE, '%m/%d/%Y')
    #by default it will start posts from 11:45 PM in case change is required change hour & miniute.
    wish = bday.replace(year=datetime.datetime.now().year,
                        hour=11,
                        minute=45)-datetime.timedelta(days=1)

    # create a unix timestamp from first post's time
    wish_timestamp = time.mktime(wish.timetuple())
    """Returns dictionary of id, first names of people who posted on my wall, Change LIMIT if wishes are more than 200 ;)"""
    query = ("SELECT post_id, actor_id, message FROM stream WHERE "
            "filter_key = 'others' AND source_id = me() AND "
            "created_time > %s LIMIT 200" % wish_timestamp)

    payload = {'q': query, 'access_token': TOKEN}
    r = requests.get('https://graph.facebook.com/fql', params=payload)
    result = json.loads(r.text)
    return result['data']

def commentall(wallposts):
    """Comments thank you on all posts"""
    for wallpost in wallposts:

        r = requests.get('https://graph.facebook.com/%s' %
                wallpost['actor_id'])
	#Post comment
        url = 'https://graph.facebook.com/%s/comments' % wallpost['post_id']
        user = json.loads(r.text)
        message = 'Thank you %s :)' % user['first_name']
        payload = {'access_token': TOKEN, 'message': message}
        s = requests.post(url, data=payload)
        print "Wall post  done for %s" % user['first_name']  
        #Like the post
        url = 'https://graph.facebook.com/%s/likes' % wallpost['post_id']
        payload1 = {'access_token': TOKEN}
        print "Wall post  liked for %s" % user['first_name']  
        s = requests.post(url, data=payload1)
        

if __name__ == '__main__':
    #commentall(get_posts())
    get_posts()