Add save argument to settings subcommand.

.charla.json

@@ -1,6 +1,8 @@
 {
-    "chats_path": "./tests/data/chats/",
     "model": "phi3",
+    "chats_path": "./tests/data/chats/",
     "prompt_history": "./tests/data/chats/prompt-history.txt",
-    "provider": "ollama"
-}
+    "provider": "ollama",
+    "message_limit": 50,
+    "multiline": false
+}

charla/cli.py

@@ -33,6 +33,7 @@ def main(args=None) -> None:
 
     parser_settings = subparsers.add_parser('settings', help='Show current settings.')
     parser_settings.add_argument('--location', action='store_true', help='Show location of settings file.')
+    parser_settings.add_argument('--save', action='store_true', help='Save settings in ".charla.json" file.')
     parser_settings.set_defaults(func=config.manage)
 
     argv = parser.parse_args(args)

charla/config.py

@@ -36,7 +36,13 @@ def manage(argv: argparse.Namespace) -> None:
         print(path_settings)
     else:
         user_settings = {k: v for k, v in vars(argv).items() if k in default_settings}
-        print(json.dumps(user_settings, indent=4))
+        out = json.dumps(user_settings, indent=4)
+        if argv.save:
+            filename = '.charla.json'
+            Path(filename).write_text(out)
+            print(f'Saved settings in {filename}.')
+        else:
+            print(out)
 
 
 def mkdir(path: Path, **kwds):