Generalities
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In the LIRE_RESU command, the user defines the information (TYPE_RESU, NOM_CHAMP, INST,...) that characterizes the result that he wants to extract from the universal file d 'IDEAS. This information cannot be used directly; it is necessary to convert it to the "universal" file format.

Data structure FORMAT_IDEAS contains all search criteria in a "universal" format, making it possible to extract the results desired by the user. If the user does not specify the FORMAT_IDEAS factor keyword in the syntax of the LIRE_RESU command, the FORMAT_IDEAS data structure is initialized by default [:external:ref:`U4.26.03 <U4.26.03>`]. Otherwise, the user defines their own search criteria.