Read a file one line at a time,
as opposed to reading the entire file at once.



Related tasks

 Read a file character by character
 Input loop.


 
  fid = fopen('foobar.txt','r');
  if (fid < 0) 
	printf('Error:could not open file\n')
  else
	while ~feof(fid),
		line = fgetl(fid);
                %% process line %% 
	end;
        fclose(fid)
  end; 