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• Reads the command file 'provide_input.par', putting its content to the structures 'imas_controls', 'grid_controls', and 'equilibrium_files'.
• Opens the IMAS database, invoking the IMAS library subroutine  imas_open_env  .
• Inputs the data (the grid and the tallies) from 2 IMAS IDS's, using the subroutines  'fetch_input_from_edge_profiles' and 'fetch_input_from_equilibrium'.
• Writes these data to EIRENE-format files, invoking the subroutines 'write_eirene_grid', 'write_input_data_from_edge_profiles_ids', and 'write_input_data_from_equilibrium_ids'.
• Closes the database, invoking the IMAS library subroutine 'imas_close'.
• Deallocates the structures holding the data.

 Known issues

The statements that are to deallocate the IDS's in the program memory when they are not needed anymore are now commented out (they are in the modules 'edge_profiles_io' and 'equilibrium_io'). The reason is that the IMAS library subroutine 'ids_deallocate' hangs the program 'save_input.exe' if it is called for both IDS's ('edge_profiles' and 'equilibrium'). This issue is yet to be resolved.

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