diff --git a/src/cli.py b/src/cli.py
--- a/src/cli.py
+++ b/src/cli.py
@@ -28,6 +28,9 @@ def build_split_parser(parser):
 	encoding.add_argument("--b32", action="store_true", help="encode shares' bytes as a base32 string")
 	encoding.add_argument("--b64", action="store_true", help="encode shares' bytes as a base64 string")
 
+	parser.add_argument("--label", help="any label to prefix the shares with")
+	parser.add_argument("--omit_k_n", action="store_true", help="suppress the default shares prefix")
+
 	parser.add_argument("secret", nargs="?", help="a secret to be split. Can be provided on the command line,"
 		" redirected through stdin, or will be asked for interactively.")
 	parser.set_defaults(func=_generate)
@@ -56,7 +59,7 @@ def _generate(args):
 		secret = sys.stdin.read()
 
 	try:
-		shares = generate(secret, args.k, args.n, encoding)
+		shares = generate(secret, args.k, args.n, encoding, label=args.label, omit_k_n=args.omit_k_n)
 		for s in shares:
 			print(s)
 	except SException as e: