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#!/bin/sh
awk 'BEGIN { status = ""; q_now = 0; q_full = 0; i_now = 1; perc = 0; FS="="; }
/POWER_SUPPLY_STATUS/ { status = $2; }
/POWER_SUPPLY_CURRENT_NOW=/ { i_now = $2; }
/POWER_SUPPLY_CHARGE_NOW/ { q_now = $2; }
/POWER_SUPPLY_CHARGE_FULL/ { q_full = $2; }
/POWER_SUPPLY_CAPACITY=/ { perc = $2; }
END { if (status=="Full"||status=="Unknown") {
print status
} else {
if (status=="Charging") {q = q_full - q_now} else {q = q_now};
h=q/i_now;
m=(h-int(h))*60;
printf("%s%d%% %dh%dm\n",
substr(status, 0, 1),
perc,
h, m);
}
}' \
/sys/class/power_supply/BAT1/uevent
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