60 lines
1.5 KiB
Bash
60 lines
1.5 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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# TODO: Which is better, apm or reading sysctls from hw.acpi.battery ?
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SLEEP_INTERVAL=${SLEEP_INTERVAL:-30}
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while true; do
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battery_percentage=$(apm -l)
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battery_status=$(apm -b)
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seconds_remaining=$(apm -t)
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class=""
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if [ $battery_status -eq 3 ]; 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 [ $battery_percentage -le 15 ]; then
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class="critical"
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elif [ $battery_percentage -le 30 ]; then
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class="warning"
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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)) $((seconds_remaining%60)) )
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fi
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jq --unbuffered --compact-output <<EOF
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{
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"text":"${battery_percentage}% ${battery_icon}",
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"tooltip":"${time_remaining}",
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"percentage":${battery_percentage},
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"class":"${class}"
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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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