#!/usr/bin/env python3

import argparse
from pathlib import Path

commentSymbol = "//"

parser = argparse.ArgumentParser(description="Remove comment from json.")
parser.add_argument("input", help="input file path")
parser.add_argument("output", help="output file path")

args = parser.parse_args()

if args.input == args.output:
    print("Error : output file must not be the same name as input file...")
else:
    try:
        inputFile = open(args.input, mode='r', encoding='utf-8')

        outputFilePath = Path(args.output)
        outputFilePath.touch(exist_ok=True)

        outputFile = open(outputFilePath, 'w', encoding='utf-8')

        for line in inputFile:
            if commentSymbol in line:
                continue
            if not line.isspace():
                outputFile.write(line)

    finally:
        inputFile.close()
        outputFile.close()