#.fsdefaults command -v polybar && [ -r "~/.config/polybar/launch.sh" ] "~/.config/polybar/launch.sh" command -v tint2 tint2 command -v lxpanel lxpanel command -v lxqt-panel lxqt-panel command -v mate-panel mate-panel command -v xfce4-panel xfce4-panel