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diff --git a/examples/vndor/constant_gen/constant_generator.py b/examples/vndor/constant_gen/constant_generator.py
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+# Copyright 2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""A trivial tool to turn a string into a C++ constant.
+
+This is not meant to be useful. It is only to provide an example of a tool that
+generates code.
+"""
+
+import sys
+
+
+def main(argv):
+ if len(argv) != 4:
+ raise Exception('usage: constant_generator out_file var_name text')
+ with open(argv[1], 'w') as out:
+ out.write('const char* %s = "%s";\n' % (argv[2], argv[3]))
+
+
+if __name__ == '__main__':
+ main(sys.argv)