63 lines
1.8 KiB
Bash
63 lines
1.8 KiB
Bash
#!/usr/bin/env bash
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#
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# Read battery status in FreeBSD
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set -euo pipefail
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IFS=$'\n\t'
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DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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SLEEP_INTERVAL=${SLEEP_INTERVAL:-30}
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batteries=$(find /sys/class/power_supply -name 'BAT*')
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while true; do
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text=""
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tooltip=""
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percentage=""
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while read bat; do
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battery_now=$(cat "$bat/charge_now")
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battery_capacity=$(cat "$bat/charge_full")
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battery_percentage=$(( battery_now * 100 / battery_capacity ))
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battery_status=$(cat "$bat/status")
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seconds_remaining="-1"
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if [ $battery_status = "Charging" ]; then
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if [ $battery_percentage -eq 100 ]; then
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battery_icon=""
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else
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battery_icon=""
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fi
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elif [ $battery_percentage -le 20 ]; then
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battery_icon=""
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elif [ $battery_percentage -le 40 ]; then
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battery_icon=""
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elif [ $battery_percentage -le 60 ]; then
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battery_icon=""
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elif [ $battery_percentage -le 80 ]; then
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battery_icon=""
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elif [ $battery_percentage -lt 100 ]; then
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battery_icon=""
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else
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battery_icon=""
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fi
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if [ $seconds_remaining -eq -1 ]; then
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time_remaining="unknown time remaining."
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else
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time_remaining=$(printf '%dh:%dm:%ds\n' $((seconds_remaining/3600)) $((seconds_remaining%3600/60)) $((seconds_remaining%60)) )
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fi
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text="$text${battery_percentage}% ${battery_icon}"
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tooltip="$tooltip${time_remaining}"
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percentage="$percentage${battery_percentage}"
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done<<<"$batteries"
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jq --unbuffered --compact-output <<EOF
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{
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"text":"$text",
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"tooltip":"$tooltip",
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"percentage":$percentage
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}
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EOF
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sleep $SLEEP_INTERVAL
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done
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