from pathlib import Path

if __name__ == '__main__':
    base_path = Path('./data')
    for rec_p in base_path.glob('*'):
        train_dir = rec_p / 'train'
        shard_p = sorted(train_dir.glob('*.parquet'))[0]

        val_dir = rec_p / 'validation'
        val_dir.mkdir(exist_ok=True)

        # moving shard path to vlidaton set
        print(
            f'Moving from "{shard_p.absolute()}" to "{(val_dir / shard_p.name).absolute()}"')
        shard_p.rename(val_dir / shard_p.name)