tmux-kanagawa/scripts/battery.sh

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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
;;
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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
}
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battery_percent()
{
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# Check OS
case $(uname -s) in
Linux)
linux_acpi percent
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;;
Darwin)
echo $(pmset -g batt | grep -Eo '[0-9]?[0-9]?[0-9]%')
;;
CYGWIN*|MINGW32*|MSYS*|MINGW*)
# leaving empty - TODO - windows compatability
;;
*)
;;
esac
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}
battery_status()
{
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# Check OS
case $(uname -s) in
Linux)
status=$(linux_acpi status)
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;;
Darwin)
status=$(pmset -g batt | sed -n 2p | cut -d ';' -f 2)
;;
CYGWIN*|MINGW32*|MSYS*|MINGW*)
# leaving empty - TODO - windows compatability
;;
*)
;;
esac
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if [[ "$status" = 'discharging' ]] || [[ "$status" = 'Discharging' ]]; then
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echo ''
else
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echo 'AC '
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fi
}
main()
{
bat_stat=$(battery_status)
bat_perc=$(battery_percent)
echo "$bat_stat$bat_perc"
}
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#run main driver program
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main