tmux-kanagawa/scripts/battery.sh
2020-05-31 16:42:37 -07:00

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#!/usr/bin/env bash
linux_acpi() {
arg=$1
BAT=$(ls -d /sys/class/power_supply/BAT* | head -1)
if [ ! -x "$(which acpi 2> /dev/null)" ];then
case "$arg" in
status)
cat $BAT/status
;;
percent)
cat $BAT/capacity
;;
*)
;;
esac
else
case "$arg" in
status)
acpi | cut -d: -f2- | cut -d, -f1 | tr -d ' '
;;
percent)
acpi | cut -d: -f2- | cut -d, -f2 | tr -d '% '
;;
*)
;;
esac
fi
}
battery_percent()
{
# Check OS
case $(uname -s) in
Linux)
percent=$(linux_acpi percent)
[ -n "$percent" ] && echo " $percent"
;;
Darwin)
echo $(pmset -g batt | grep -Eo '[0-9]?[0-9]?[0-9]%')
;;
CYGWIN*|MINGW32*|MSYS*|MINGW*)
# leaving empty - TODO - windows compatability
;;
*)
;;
esac
}
battery_status()
{
# Check OS
case $(uname -s) in
Linux)
status=$(linux_acpi status)
;;
Darwin)
status=$(pmset -g batt | sed -n 2p | cut -d ';' -f 2)
;;
CYGWIN*|MINGW32*|MSYS*|MINGW*)
# leaving empty - TODO - windows compatability
;;
*)
;;
esac
if [ $status = 'discharging' ] || [ $status = 'Discharging' ]; then
echo ''
else
echo 'AC'
fi
}
main()
{
bat_stat=$(battery_status)
bat_perc=$(battery_percent)
if [ -z "$bat_stat" ]; then # Test if status is empty or not
echo "$bat_perc"
else
echo "$bat_stat $bat_perc"
fi
}
#run main driver program
main