dotfiles/bin/battery

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2019-10-03 20:56:50 +00:00
#!/bin/sh
HEART_FULL=♥
HEART_EMPTY=♡
[ -z "$NUM_HEARTS" ] &&
NUM_HEARTS=5
cutinate()
{
perc=$1
inc=$(( 100 / $NUM_HEARTS))
for i in `seq $NUM_HEARTS`; do
if [ $perc -lt 100 ]; then
echo $HEART_EMPTY
else
echo $HEART_FULL
fi
perc=$(( $perc + $inc ))
done
}
linux_get_bat ()
{
bf=$(cat $BAT_FULL)
bn=$(cat $BAT_NOW)
echo $(( 100 * $bn / $bf ))
}
openbsd_get_bat ()
{
bf=$(sysctl -n hw.sensors.acpibat0.amphour0 | cut -d ' ' -f 1)
bn=$(sysctl -n hw.sensors.acpibat0.amphour3 | cut -d ' ' -f 1)
echo "(($bn * 100) / $bf)" | bc -l | awk -F '.' '{ print $1 }';
}
freebsd_get_bat ()
{
sysctl -n hw.acpi.battery.life
}
battery_status()
{
case $(uname -s) in
"Linux")
BATPATH=${BATPATH:-/sys/class/power_supply/BAT1}
[[ -h "${BATPATH}" ]] || return 0
2019-10-03 20:56:50 +00:00
STATUS=$BATPATH/status
[ "$1" = `cat $STATUS` ] || [ "$1" = "" ] || return 0
if [ -f "$BATPATH/energy_full" ]; then
naming="energy"
elif [ -f "$BATPATH/charge_full" ]; then
naming="charge"
elif [ -f "$BATPATH/capacity" ]; then
cat "$BATPATH/capacity"
return 0
fi
BAT_FULL=$BATPATH/${naming}_full
BAT_NOW=$BATPATH/${naming}_now
linux_get_bat
;;
"FreeBSD")
STATUS=`sysctl -n hw.acpi.battery.state`
case $1 in
"Discharging")
if [ $STATUS -eq 1 ]; then
freebsd_get_bat
fi
;;
"Charging")
if [ $STATUS -eq 2 ]; then
freebsd_get_bat
fi
;;
"")
freebsd_get_bat
;;
esac
;;
"OpenBSD")
openbsd_get_bat
;;
"Darwin")
case $1 in
"Discharging")
ext="No";;
"Charging")
ext="Yes";;
esac
ioreg -c AppleSmartBattery -w0 | \
grep -o '"[^"]*" = [^ ]*' | \
sed -e 's/= //g' -e 's/"//g' | \
sort | \
while read key value; do
case $key in
"MaxCapacity")
export maxcap=$value;;
"CurrentCapacity")
export curcap=$value;;
"ExternalConnected")
if [ -n "$ext" ] && [ "$ext" != "$value" ]; then
exit
fi
;;
"FullyCharged")
if [ "$value" = "Yes" ]; then
exit
fi
;;
esac
if [[ -n "$maxcap" && -n $curcap ]]; then
echo $(( 100 * $curcap / $maxcap ))
break
fi
done
esac
}
BATTERY_STATUS=`battery_status $1`
[ -z "$BATTERY_STATUS" ] && exit
if [ -n "$CUTE_BATTERY_INDICATOR" ]; then
cutinate $BATTERY_STATUS
else
echo ${BATTERY_STATUS}%
fi