XDG_CONFIG_HOME=${XDG_CONFIG_HOME:-$HOME/.config}
XDG_CACHE_HOME=${XDG_CACHE_HOME:-$HOME/.cache}
XDG_DATA_HOME=${XDG_DATA_HOME:-$HOME/.local/share}
XDG_STATE_HOME=${XDG_STATE_HOME:-$HOME/.local/state}
XDG_DATA_DIRS=${XDG_DATA_DIRS:-/usr/local/share/:/usr/share/}
XDG_CONFIG_DIRS=${XDG_CONFIG_DIRS:-${XDG_CONFIG_DIRS:-/etc/xdg}}