Okay,this crates the scores.txt, but does not fill in the scores.txt with the required fields:

filehandle = file_open_write ("C:\\ProgramData\\DLively\\Subfolder\\save_dir\\scores.txt");
if(filehandle == 1){

file_str_write(filehandle,end_input_name_str_i);
file_str_write(filehandle,",");