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janernsting/5_battery_drain

Last active December 10, 2015 19:48
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battery drain notification for byobu
Raw
5_battery_drain
#!/bin/sh -e
for bat in /sys/class/power_supply/*; do
status=""; drain=""
if [ -r "$bat/power_now" ] && [ -r "$bat/status" ]; then
drain=`cat "$bat/power_now"`
status=`cat "$bat/status"`
[ $status = "Discharging" ] && break
fi
done
if [ "$status" = "Discharging" ]; then
echo `awk 'BEGIN { printf "%.2fW", "'$drain'"/1000000 }'`
fi
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