$ curl cheat.sh/
# doxygen
# A documentation system for various programming languages.
# More information: <http://www.doxygen.nl>.

# Generate a default template configuration file `Doxyfile`:
doxygen -g

# Generate a template configuration file:
doxygen -g path/to/config_file

# Generate documentation using an existing configuration file:
doxygen path/to/config_file

$
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