import json import os dir_list = [] pth = "/home/v-meiszhang/backup/datas/InternScenes/Layout_info/matterport3d" for room_dir in os.listdir(pth): room_dir_path = os.path.join(pth, room_dir) if os.path.isdir(room_dir_path): for region_dir in os.listdir(room_dir_path): region_dir_path = os.path.join(room_dir_path, region_dir) dir_list.append(region_dir_path) with open("matterport3d_dir_list.txt", "w") as f: for item in dir_list: f.write("%s\n" % item)