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A comment on Ask HN: Should I unplug my laptop charger at 100%?. Parent comment

Re:Ask HN: Should I unplug my laptop charger at 100%? by 0942v8653 on Sunday May 17, 2015 @05:57PM (#9561869)
On Debian:

    bc -l <<< "100 * $(cat /sys/class/power_supply/BAT*/energy_full) / $(cat /sys/class/power_supply/BAT*/energy_full_design)"
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