I ran it by creating a file named "guess.sh" with the function and a `guess "$@"` call to it, then passing 'a[$(cat /etc/passwd > /tmp/pwned)] + 42' as a parame

I ran it by creating a file named "guess.sh" with the function and a `guess "$@"` call to it, then passing 'a[$(cat /etc/passwd > /tmp/pwned)] + 42' as a parameter to the script. Bash 5.2.