import json import argparse parser = argparse.ArgumentParser() parser.add_argument('--jsonl-file', type=str, required=True) args = parser.parse_args() file = args.jsonl_file data = [] with open(file, 'r') as f: for line in f: data.append(json.loads(line)) # export to json, replace jsonl to json with open(file.replace('jsonl', 'json'), 'w') as f: json.dump(data, f, indent=4)