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include
-------
The ``include`` stanza allows including the contents of another file in the
current ``dune`` file. The included file cannot be generated and must
be present in the source tree. To include generated files,
use the :ref:`dynamic_include` stanza instead. This feature is intended
for use in conjunction with promotion, when parts of a ``dune`` file are to be generated.
For instance:
.. code:: dune
(include dune.inc)
(rule (with-stdout-to dune.inc.gen (run ./gen-dune.exe)))
(rule
(alias runtest)
(action (diff dune.inc dune.inc.gen)))
With this ``dune`` file, running Dune as follows will replace the ``dune.inc``
file in the source tree by the generated one:
.. code:: console
$ dune build @runtest --auto-promote
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