import os
import pyarrow.parquet as pq

parquet_file = pq.ParquetFile("/gpfs/public/research/liyizhi/huggingface/datasets/fineweb-edu-score-2/data/CC-MAIN-2013-20/train-00013-of-00058.parquet")

print(parquet_file.metadata.num_rows)

# sum = 0
# for a, b, c in os.walk("/gpfs/public/research/liyizhi/huggingface/datasets/fineweb-edu-score-2/data/"):
#     if len(b) == 0:
#         for name in c:
#             parquet_file = pq.ParquetFile(os.path.join(a, name))
#             num_rows = parquet_file.metadata.num_rows
#             sum += num_rows
# print(sum)