import json
import os

input_dir = "/media/luka/Portable Disk/Datasets/gigafida_jos/final_json"
output_file = "../../all_sentences.json"

results = {}
filenames = os.listdir(input_dir)
len(filenames)
for i, filename in enumerate(filenames):
    if filename.endswith(".json"):
        with open(os.path.join(input_dir, filename)) as json_file:
            data = json.load(json_file)
            results[filename.split('-')[0]] = list(data.keys())
        print('Progress: %.2f %%' % (i/len(filenames)))

with open(output_file, 'w') as f:
    json.dump(results, f)