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#!/usr/bin/python
import argparse
import json
from operator import itemgetter
parser = argparse.ArgumentParser()
parser.add_argument("paths", nargs="+", help="path to the json file")
parser.add_argument("--sort-by", help="dictionary key to sort by")
args = parser.parse_args()
for path in args.paths:
in_file = open(path, "rb")
data = json.load(in_file)
in_file.close()
if args.sort_by is not None:
data.sort(key=itemgetter(args.sort_by))
out_file = open(path, "wb")
json.dump(data, out_file, sort_keys=True, indent=4)
out_file.write('\n')
out_file.close()
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