def run_search(dict_file, postings_file, queries_file, results_file):
"""
Using the given dictionary file and postings file,
perform searching on the given queries file and output the results to a file
"""
print('Running search on the queries...')
dictionaries = Dictionaries(dict_file)
dictionaries.load()
postings = Postings(postings_file)
searcher = Searcher(dictionaries, postings)
result_string = ''
with open(queries_file, 'r') as f, open(results_file, 'w') as o:
for i, query in enumerate(f):
searcher.set_query(query.strip())
output = searcher.evaluate_query()
result_string += output.strip() + '\n'
searcher.clear_postings()
f.close()
o.write(result_string.strip())
o.close()
