Please use #!/usr/bin/env bash if you're using bash. It seems more common to have env in /usr/bin than it is to have bash in /bin. On BSD systems, bash is often

Please use #!/usr/bin/env bash if you're using bash. It seems more common to have env in /usr/bin than it is to have bash in /bin. On BSD systems, bash is often in /usr/local/bin, and on macOS the user often has a more modern bash in /opt/homebrew/bin or other package manager directory.