[ "$(command -v polybar)" ] || return 0
 
 # export BATTERY_ADAPTER="$(
 #   grep -E -l 'Mains' '/sys/class/power_supply/'*'/type' \
 #   | head -n 1 \
 #   | sed 's|.*/\(.\+\)/type$|\1|'
 # )"
 # export BATTERY_BATTERY="$(
 #   grep -E -l 'Battery' '/sys/class/power_supply/'*'/type' \
 #   | head -n 1 \
 #   | sed 's|.*/\(.\+\)/type$|\1|'
 # )"
 export TEMPERATURE_THERMAL_ZONE="$(
   grep -E -l 'cpu|x86' '/sys/class/thermal/thermal_zone'*'/type' 2> /dev/null \
   | head -n 1 \
   | sed 's|.*\([0-9]\+\)/type$|\1|'
 )"
 export BACKLIGHT_CARD="$(
   grep -E -l 'raw' '/sys/class/backlight/'*'/type' 2> /dev/null \
   | head -n 1 \
   | sed 's|.*/\(.\+\)/type$|\1|'
 )"
 
 polybar --quiet --reload top-noshadow &
 polybar --quiet --reload bottom-noshadow &