How to read from a specific line from a text file in VHDL

Question

I am doing a program in VHDL to read and write data. My program has to read data from a line, process it, and then save the new value in the old position. My code is somewha

Answer 1

Use 2 files, an input file and an output file.

file_open(vectors, "stimulus/input_vectors.txt", read_mode);
file_open(results, "stimulus/output_results.txt", write_mode);

while not endfile(vectors) loop
   readline(vectors, iline);
   read(iline, a_in);
   etc for all your input data...

   write(oline, 

end loop;

file_close(vectors);
file_close(results);