
Prefer [ p ] && [ q ] as [ p -a q ] is not well defined. And likewise, prefer [ p ] || [ q ] over [ p -o q ]. https://github.com/koalaman/shellcheck/wiki/SC2166
Prefer [ p ] && [ q ] as [ p -a q ] is not well defined. And likewise, prefer [ p ] || [ q ] over [ p -o q ]. https://github.com/koalaman/shellcheck/wiki/SC2166