import json
import sys

def minify_json(input_file, output_file):
    try:
        # Read JSON data from input file
        with open(input_file, 'r', encoding='utf-8') as f:
            data = json.load(f)

        # Minify JSON and write to output file
        with open(output_file, 'w', encoding='utf-8') as f:
            json.dump(data, f, separators=(',', ':'), ensure_ascii=False)

        print(f"Minified JSON saved to {output_file}")
    except Exception as e:
        print(f"Error: {e}")

if __name__ == "__main__":
    if len(sys.argv) != 3:
        print("Usage: python minify_json.py input.json output.json")
    else:
        minify_json(sys.argv[1], sys.argv[2])