import glob import json import os import multiprocessing jsonl_files = glob.glob("/gpfswork/rech/six/commun/bigscience-training/jsonls/xp3capped/*/*/*.jsonl") print(jsonl_files) #for path in jsonl_files: def update_jsonl(path): print(path) with open(path, "r") as jsonl_file, open(path.replace(".jsonl", "tmp.jsonl"), "w") as jsonl_file_out: for line in jsonl_file: data = json.loads(line) data["targets"] = data["targets"][0] jsonl_file_out.write(json.dumps(data) + "\n") os.rename(path.replace(".jsonl", "tmp.jsonl"), path) with multiprocessing.Pool(processes=multiprocessing.cpu_count()-5) as pool: pool.map(update_jsonl, jsonl_files)