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@ -1,16 +1,82 @@ |
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#!/bin/sh |
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# Usage: ./battery.sh [--color [screen]] |
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if [ "$1" = "--color" ]; then |
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# Docs: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-power |
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set -e |
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while [ $# -gt 0 ] ; do |
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case "$1" in |
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"--newline") |
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newline=1 |
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;; |
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"--unit") |
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unitsymbol="%" |
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;; |
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"--icon") |
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case $2 in |
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"ascii"|""|"--"*) |
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case "$2" in |
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"--"*|"") |
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: # skip if it's a parameter or is empty |
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;; |
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*) |
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shift |
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;; |
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esac |
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iconize=1 |
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iconbat0="[----]" |
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iconbat1="[#---]" |
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iconbat2="[##--]" |
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iconbat3="[###-]" |
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iconbat4="[####]" |
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;; |
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"nerd") |
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shift |
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iconize=1 |
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iconbat0= |
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iconbat1= |
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iconbat2= |
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iconbat3= |
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iconbat4= |
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;; |
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*) |
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printf "Icon coding not supported. Aborting...\n" |
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exit 1 |
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;; |
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esac |
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;; |
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"--color") |
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case $2 in |
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"screen") |
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shift |
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colorize=1 |
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colgreen="\005{g}" |
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colyellow="\005{y}" |
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colred="\005{r}" |
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colred_blink="\005{+B r}" |
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colend="\005{-}" |
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;; |
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"") |
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"lemonbar") |
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shift |
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colorize=1 |
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# xterm ANSI color palette |
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colgreen="%{F#00CD00}" |
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colyellow="%{F#CDCD00}" |
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colred="%{F#CD0000}" |
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colred_blink="%{F#000000}%{B#CD0000}" # no blinking available :( |
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colend="%{F-}" |
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colbgend="%{B-}" |
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;; |
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"ansi"|""|"--"*) |
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case "$2" in |
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"--"*|"") |
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: # skip if it's a parameter or is empty |
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;; |
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*) |
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shift |
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;; |
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esac |
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colorize=1 |
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colgreen="\033[0;32m" |
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colyellow="\033[0;33m" |
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colred="\033[0;31m" |
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@ -22,46 +88,104 @@ if [ "$1" = "--color" ]; then |
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exit 1 |
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;; |
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esac |
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fi |
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;; |
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"--symbols") |
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case $2 in |
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"ascii"|""|"--"*) |
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case "$2" in |
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"--"*|"") |
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: # skip if it's a parameter or is empty |
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;; |
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*) |
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shift |
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;; |
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esac |
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symdischarging="-" |
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symcharging="+" |
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symnotcharging="~" |
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symunknown="?" |
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symundetermined="/" |
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;; |
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"ascii-alt") |
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shift |
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symdischarging="▼" |
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symcharging="▲" |
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symnotcharging="~" |
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symunknown="?" |
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symundetermined="/" |
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;; |
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*) |
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printf "Charset not available. Aborting...\n" |
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exit 1 |
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;; |
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esac |
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;; |
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*) |
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printf "Parameter not recognized. Aborting...\n" |
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exit 1 |
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;; |
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esac |
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shift |
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done |
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pwr_lvl="" |
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status="" |
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multi_bat=0 |
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for folder in /sys/class/power_supply/BAT?/; do |
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supply_paths=/sys/class/power_supply/*/ |
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for folder in $supply_paths; do |
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[ -r "$folder/type" ] && [ "$(cat "$folder/type")" = "Battery" ] || continue |
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[ -r "$folder/capacity" ] || continue |
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[ -r "$folder/status" ] || continue |
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pwr_lvl="$(cat "$folder/capacity")" |
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pwr_stat="$(cat "$folder/status")" |
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if [ "$pwr_stat" = "Discharging" ]; then |
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status="%▼" |
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elif [ "$pwr_stat" = "Charging" ]; then |
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status="%▲" |
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elif [ "$pwr_stat" = "Not charging" ]; then |
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status="%~" |
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elif [ "$pwr_stat" = "Unknown" ]; then |
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status="%?" |
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else |
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status="%/" |
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fi |
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if [ "$1" = "--color" ]; then |
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# if: |
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# - <= 5 blinking red text |
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# - <= 10 red text |
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# - <= 20 yellow text |
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# - > 20 green |
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if [ "$pwr_lvl" -le 8 ]; then |
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case "$pwr_stat" in |
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"Discharging") |
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status="$symdischarging" |
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;; |
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"Charging") |
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status="$symcharging" |
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;; |
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"Not charging"|"Full") |
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status="$symnotcharging" |
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;; |
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"Unknown") |
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status="$symunknown" |
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;; |
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*) |
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status="$symundetermined" |
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;; |
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esac |
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if [ "$colorize" = 1 ] || [ "$iconize" = 1 ]; then |
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if [ "$pwr_lvl" -le 5 ]; then |
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color="${colred_blink}" |
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elif [ "$pwr_lvl" -le 20 ]; then |
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icon="${iconbat0}" |
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elif [ "$pwr_lvl" -le 15 ]; then |
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color="${colred}" |
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elif [ "$pwr_lvl" -le 40 ]; then |
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icon="${iconbat0}" |
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elif [ "$pwr_lvl" -le 35 ]; then |
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color="${colyellow}" |
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icon="${iconbat1}" |
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elif [ "$pwr_lvl" -le 65 ]; then |
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color="${colgreen}" |
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icon="${iconbat2}" |
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elif [ "$pwr_lvl" -le 97 ]; then |
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color="${colgreen}" |
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icon="${iconbat3}" |
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else |
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color="${colgreen}" |
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icon="${iconbat4}" |
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fi |
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fi |
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[ "$colend" = "%{F-}" ] && [ "$unitsymbol" = "%" ] && colend="%%{F-}" |
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if [ $multi_bat = 1 ]; then |
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sep="|" |
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else |
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sep="" |
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multi_bat=1 |
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fi |
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printf "%b%s%s%b%s" "${color}" "${pwr_lvl}" "${status}" "${colend}" "${sep}" |
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printf "%b%s%s%s%s%b%s" "${color}" "${icon}" "${status}" "${pwr_lvl}" "${unitsymbol}" "${colend}${colbgend}" "${sep}" |
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done |
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[ "$newline" = 1 ] && printf "\n" || : |
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