Extract JSON from txt files containing other stuff

extractjson.py

import shutil
import glob

path = "C:\\beatsaber\\OST\\"
filenames = glob.glob(path + "*.txt")

for filename in filenames:
    with open(filename, 'r') as txtfile:
        data=txtfile.read().replace('\n', '')
        splitstring = data.split('_jsonData = "')[1].rsplit('"', 1)[0]
        print(splitstring)
        with open(filename.rsplit(".", 1)[0] + ".json", 'w') as jsonfile:
            jsonfile.write(splitstring)