Autogen

File type or language is determined from the full filename or extension and, when present, shebang lines; the tool adapts comment syntax to the detected type.

It inserts language-appropriate comment blocks into source files or produces separate test output files; behavior is configurable to perform in-place edits or generate outputs.

The project is distributed under the Apache 2.0 license; see the repository LICENSE file for details.

Yes. The repository includes editor support scripts and test targets (Bazel), and the tools are intended to be run from scripts or build/test environments.