#!/bin/bash
for base in CA30 CA1-3; do
# get the $base files and put into folder for $base
wget -PO "https://www.bea.gov/regional/zip/${base}.zip"
mkdir -p in/${base}
unzip O/${base}.zip -d in/${base}
done
I have removed sudo - there's no reason to perform unprivileged operations with superuser privileges. If you can write into a particular folder, change the working directory.