module parameterized_priority
(
 input  logic [NUM_INPUTS-1:0] input_data,
 input  logic [NUM_INPUTS-1:0] select,
 output logic                  output_data
);

parameter NUM_INPUTS=5;

int                            ii;

always_comb begin
  output_data = 'x;
  for(ii=0;ii<NUM_INPUTS;ii++) if (select[ii]) output_data = input_data[ii];
end

endmodule