import sys import os input = sys.argv[1] out = os.path.dirname(sys.argv[1]) + '\output.json' output = open(out,'w',encoding='utf-8') with open(input, encoding='utf-8') as fp: for i in fp: if i.find('//') != -1: de = i.find('//') output.write(i[0:de-1]) else: output.write(i)