Typically when using grbcluster, one may return the solution file in the .sol format. However, sometimes you may wish to return the solution status together with the solution file in a single function call.
To achieve this, you can use batch optimization and get the solution as a JSON file, which then contains both the solution status together with the solution file:
grbcluster batch solve ResultFile=a.json InputFile=a.attr a.lp --download
In this example, a.lp is the model to be solved, and a.attr contains the information about which variables are tagged. The results are then written to the file a.json.
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