power 320 B

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  1. #!/usr/bin/env bash
  2. test ! -f /sys/class/power_supply/AC/online \
  3. && notify-send "This ain't no laptop, fool!" \
  4. && exit 1
  5. (( $(cat /sys/class/power_supply/AC/online) == 1 )) \
  6. && notify-send 'AC Adapter Connected'
  7. (( $(cat /sys/class/power_supply/AC/online) == 0 )) \
  8. && notify-send 'AC Adapter Disconnected'