Accessing shell script arguments by index

Question

I\'m sure this is a no-brainer when you\'re into shell programming. Unfortunately I\'m not and I\'m having a pretty hard time ...

I need to verify arguments passed t

Answer 1

In bash, you can use indirect parameter expansion to access an arbitrary positional parameter.

$ set a b c
$ paramIndex=2
$ echo $2
b
$ echo ${!paramIndex}
b