bash shell script fibonacci not showing value 2 after 0 1 1?

Question

I am writing a bash script for fibonacci which is not printing the value after 0 1 1 . It is not printing \"2\" after 0 1 1. The code is given below.

echo \"ent         


        

Answer 1

In bash, do not use the dollar sign on the left hand side of an assignment.

$c=$a+$b

should be

c=$a+$b

but it probably still does not do what you want, try

c=$((a+b))

instead.