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### 3.2 Dynare hooks

It is possible to call pre and post Dynare preprocessor hooks written as MATLAB scripts. The script `MODFILENAME/hooks/priorprocessing.m` is executed before the call to Dynare’s preprocessor, and can be used to programmatically transform the mod file that will be read by the preprocessor. The script `MODFILENAME/hooks/postprocessing.m` is executed just after the call to Dynare’s preprocessor, and can be used to programmatically transform the files generated by Dynare’s preprocessor before actual computations start. The pre and/or post dynare preprocessor hooks are executed if and only if the aforementioned scripts are detected in the same folder as the the model file, `FILENAME.mod`.

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