Running the command in the search engine directory:
"python search_engine.py [job] [doc_dir]"
[job]: b for building index, s for searching
[doc_dir]: path to corpus (only for indexing) (is "DEV" by default)
To search, the program will ask for input, just type in the query then enter
enter empty string to exit
Directory to index is index_dir in indexer.py (default is index/)