clc
clear all
close all
disp('ABSTRACT')
disp('  Example using the while-end loop to read a file.')
% INPUTS
filen='C:\abc.txt'
fh=fopen(filen,'r')
% CODE/OUTPUTS
a='  ';         % to get the loop going, start a here
i=0;           % i will be used in making the row_sum array
% using the while-loop to read the lines of the text document
while ischar(a)==true
    a=fgets(fh)
    if ischar(a)==true
        b=sscanf(a,'%f %f')
        i=i+1
        row_sum(i)=b(1)+b(2)
    end
end