sort-json

#!/usr/bin/env python3
import json
import sys


def print_help():
    print("""
Sorts a JSON file (lexicographically) in-place (including any nested objects).

### Usage:

Single JSON file:

```
$ ./sort-json path/to/file.json
```

Multiple JSON files:

```
$ ./sort-json file1.json file2.json file3.json
```
    """)


try:
    if len(sys.argv) < 2:
        print_help()
    else:
        files = sys.argv[1:]

        if not files:
            print("No file selected!")
        else:
            for filename in files:
                if filename.endswith(".json"):
                    with open(filename, "r+") as file:
                        data = json.load(file)
                        file.seek(0)
                        file.truncate(0)
                        json.dump(data, fp=file, indent=4, sort_keys=True)

                    print(f"JSON sort complete: {filename}")
                else:
                    print(f"Error: {filename} is not a JSON file!")

except Exception as e:
    print(f"Error: File could not be processed!\n{filename}")
    print(e)