#+title: SketchyBar Battery Plugin

Get the percentage and charging status.
#+begin_src sh :tangle ~/.config/sketchybar/plugins/battery.sh :mkdirp yes :tangle-mode o755
  #!/bin/sh
  PERCENTAGE="$(pmset -g batt | grep -Eo "\d+%" | cut -d% -f1)"
  CHARGING="$(pmset -g batt | grep 'AC Power')"
#+end_src

Exit if no percentage was reported.
#+begin_src sh :tangle ~/.config/sketchybar/plugins/battery.sh :mkdirp yes :tangle-mode o755
  if [ "$PERCENTAGE" = "" ]; then
    exit 0
  fi
#+end_src

Choose the icon based on the percentage.
#+begin_src sh :tangle ~/.config/sketchybar/plugins/battery.sh :mkdirp yes :tangle-mode o755
  if [[ "$CHARGING" != "" ]]; then
      case "${PERCENTAGE}" in
        9[0-9]|100) ICON="󰂅"
        ;;
        [6-8][0-9]) ICON="󰂉"
        ;;
        [3-5][0-9]) ICON="󰂇"
        ;;
        [1-2][0-9]) ICON="󰢜"
        ;;
        ,*) ICON="󰁺"
      esac
  else
      case "${PERCENTAGE}" in
        9[0-9]|100) ICON="󰁹"
        ;;
        [6-8][0-9]) ICON="󰁿"
        ;;
        [3-5][0-9]) ICON="󰁼"
        ;;
        [1-2][0-9]) ICON="󰁺"
        ;;
        ,*) ICON=""
      esac
  fi

  sketchybar --set "$NAME" icon="$ICON" label="${PERCENTAGE}%"
#+end_src