if ls --help 2>/dev/null | grep gnu.org >/dev/null; then
export LS_OPTIONS="--color=auto -F -b --time-style=long-iso"
elif [ "$SYSTEM" = "Darwin" ]; then
if ls --help 2>/dev/null | grep gnu.org >/dev/null; then
export LS_OPTIONS="--color=auto -F -b --time-style=long-iso"
elif [ "$SYSTEM" = "Darwin" ]; then