FOO=something
BAR="$FOO or other"

BAR="$FOO or other"
FOO=something

FOO=something

# BAR uses FOO
BAR="$FOO or other"

  #-----------------------------------------------------------------------
  #  Handle command line arguments
  #-----------------------------------------------------------------------
  while getopts ":hV" opt
  do
    # shellcheck disable=SC2214
    case "${opt}" in

      h|help      ) _usage;    exit 0 ;;
      V|version   ) _version;