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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)
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