add: final aggregation utils to obtain one dataset only

examples/behavior_1k/aggregate_tasks_datasets.py

@@ -0,0 +1,30 @@
+from pathlib import Path
+
+from lerobot.datasets.aggregate import aggregate_datasets
+from lerobot.datasets.lerobot_dataset import LeRobotDataset
+
+
+def main():
+    """Aggregate all tasks datasets into a single LeRobotDataset and push it to the hub."""
+    task_indices = range(50)
+
+    repo_ids = [f"fracapuano/behavior1k-task{i:04d}" for i in task_indices]
+
+    roots = [Path(f"/fsx/francesco_capuano/behavior1k/behavior1k-task{i:04d}") for i in task_indices]
+
+    aggregated_root = Path("/fsx/francesco_capuano/behavior1k/behavior1k")
+    aggregated_repo_id = "fracapuano/behavior1k"
+
+    aggregate_datasets(
+        repo_ids=repo_ids,
+        roots=roots,
+        aggr_repo_id=aggregated_repo_id,
+        aggr_root=aggregated_root,
+    )
+
+    ds = LeRobotDataset(repo_id=aggregated_repo_id, root=aggregated_root)
+    ds.push_to_hub()
+
+
+if __name__ == "__main__":
+    main()