A JSON minify script written in Python.

json_minify.py

#!/usr/bin/env python3
"""JSON minifier"""

from json import loads, dumps
from sys import argv
from pathlib import Path

def minify(filename):
    content = ''
    with open(filename, 'r', 1) as input:
        content = input.read()

    obj = loads(content)
    minified = dumps(obj, separators=(',', ':'), ensure_ascii=False)

    base = Path(filename).stem
    name = f'{base}.min.json'
    with open(name, "w", 1) as f:
        f.write(minified)
        f.write('\n')


args = argv[1:]
for arg in args:
    minify(arg)