import os
import shutil

def split_folder(src_folder, batch_size=5000):
    files = sorted(os.listdir(src_folder))
    for i in range(0, len(files), batch_size):
        subfolder = os.path.join(src_folder, f"batch_{i//batch_size:03d}")
        os.makedirs(subfolder, exist_ok=True)
        for f in files[i:i+batch_size]:
            shutil.move(os.path.join(src_folder, f), os.path.join(subfolder, f))

# Applique la division sur les deux dossiers
split_folder("REAL", batch_size=5000)
split_folder("AI", batch_size=5000)