Written in python with the aid of markovify and python-twitter.
python setup.py install
Put your API keys in a file (e.g. .api-keys-trump) like so:
api-key: API_KEY
api-sec: API_SECRET_KEY
tok: TOKEN
tok-sec: SECRET_TOKEN
Then run:
python bin/markovbot.py PATH_TO_API_KEYS --text PATH_TO_CORPUS.txt
to send one tweet at a time.