cfg/.config/i3blocks/battery
Knut Ahlers 9855a42ae9
Rewrite to use acpi and show remaining time
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2018-12-11 18:14:50 +01:00

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#!/bin/bash
set -euo pipefail
IFS=$'\n'
ac_conn=0
(acpi -a | grep -q on-line) && ac_conn=1
bat_cap=()
for line in $(acpi -b | grep -v 'unavailable' | sed -E 's/.*: ([^,]+), ([0-9]+)%(, ([0-9]+:[0-9]+|)|).*/\1\t\2\t\4/'); do
color='#ffffff'
state=$(echo "${line}" | cut -d $'\t' -f 1)
cap=$(echo "${line}" | cut -d $'\t' -f 2)
remain="($(echo "${line}" | cut -d $'\t' -f 3)) "
[[ ${state} == 'Full' ]] && remain=''
[[ ${remain} == '() ' ]] && remain='(??) '
[ ${cap} -lt 50 ] && color='#ffd966'
[ ${cap} -lt 25 ] && color='#dd0000'
bat_cap+=("<span color=\"${color}\">${cap}% ${remain}</span>")
done
IFS=' '
if [ ${ac_conn} -eq 0 ]; then
printf '\uf58d %s' "${bat_cap[*]}"
else
printf '\uf740 %s' "${bat_cap[*]}"
fi