Question

I have the following code

let a=1
let b=a

echo $b

When i echo b, i want it to refer it’s value (which is ‘a’), and display the value of a( which is ‘1’)

Can this be achieved?

Answer 1

First, I would argue you don’t really want to do this. But instead of convincing you, here’s how to do it:

$ let a=1
$ b=a
$ echo $b
a
$ eval "echo \$$b"
1

note that you can’t use “let” for the second assignment since you want to access the right-hand-side as a string later.