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import json
import random
import argparse
import os
def shuffle_json(input_file, output_file):
# Read the JSON file
with open(input_file, 'r') as f:
data = json.load(f)
# Ensure the data is a list
if not isinstance(data, list):
raise ValueError("JSON data is not a list")
# Shuffle the data
random.shuffle(data)
# Write the shuffled data to the JSON file
with open(output_file, 'w') as f:
json.dump(data, f, indent=4)
def main():
# Set up argument parsing
parser = argparse.ArgumentParser(description='Shuffle a JSON file.')
parser.add_argument('input_file', help='The input JSON file to shuffle.')
parser.add_argument('output_file', nargs='?', default=None, help='The output JSON file. If not provided, the input file will be overwritten.')
args = parser.parse_args()
# Use the same file for input and output if output_file is not provided
output_file = args.output_file if args.output_file else args.input_file
# Shuffle the JSON file
shuffle_json(args.input_file, output_file)
if __name__ == "__main__":
main() |