In bash, how to store a return value in a variable?

Question

I know some very basic commands in Linux and am trying to write some scripts. I have written a function which evaluates the sum of last 2-digits in a 5-digit number. The fun

Answer 1

It is easy you need to echo the value you need to return and then capture it like below

demofunc(){
    local variable="hellow"
    echo $variable    
}

val=$(demofunc)
echo $val