% git clone https://github.com/sgk/twitter-move.git
% cd twitter-move
% . install.source
% vi *.py
% ./getfriends.py
% ./addfriends.py
% ./getfavs.py
% ./addfavs.py
Please be aware of the Twitter API rate limits. The above process may take several days to complete if you have a lot of friends and favorites.
Written by Shigeru KANEMOTO. You can do whatever you want.