--- /dev/null
+#!/usr/bin/env python3
+# ################################################################
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under both the BSD-style license (found in the
+# LICENSE file in the root directory of this source tree) and the GPLv2 (found
+# in the COPYING file in the root directory of this source tree).
+# You may select, at your option, one of the above-listed licenses.
+# ################################################################
+
+import os
+import subprocess
+import sys
+
+if len(sys.argv) != 3:
+ print(f"Usage: {sys.argv[0]} FILE SIZE_LIMIT")
+ sys.exit(1)
+
+file = sys.argv[1]
+limit = int(sys.argv[2])
+
+if not os.path.exists(file):
+ print(f"{file} does not exist")
+ sys.exit(1)
+
+size = os.path.getsize(file)
+
+if size > limit:
+ print(f"file {file} is {size} bytes, which is greater than the limit of {limit} bytes")
+ sys.exit(1)