7.54 rpn_load

&rpn_load  
    STRING tag = NULL;  
    STRING filename = NULL;  
    STRING match_column = NULL;  
    STRING match_column_value = NULL;  
    long matching_row_number = -1;  
    STRING match_parameter = NULL;  
    STRING match_parameter_value = NULL;  
    long use_row = -1;  
    long use_page = -1;  
    long load_parameters = 0;  
&end

This command is used to facilitate multi-stage optimization runs by allowing convenient loading of data from SDDS files into RPN variables. For example, one may match the final Twiss parameters of a lattice to the parameters stored in an SDDS file from a different run.

run_control