23 lines
737 B
Plaintext
23 lines
737 B
Plaintext
|
#! /bin/bash
|
||
|
|
|
||
|
|
# small script to log battery usage in txt file for conky to parse
|
||
|
|
# lovingly stolen from battery-stats by petter reinholdtsen
|
||
|
|
|
||
|
|
DST_FILE="$XDG_CACHE_HOME/batmon.log"
|
||
|
|
SYS_BAT_PATH="/sys/class/power_supply/BAT0"
|
||
|
|
BAT_CAP_PATH="$SYS_BAT_PATH/charge_now"
|
||
|
|
BAT_CAP_FULL_PATH="$SYS_BAT_PATH/charge_full"
|
||
|
|
MAX_ENTRIES=1440 # number of minutes in day
|
||
|
|
|
||
|
|
read_bat_percent() {
|
||
|
|
timestamp=$(date +%s)
|
||
|
|
charge_now=$(cat "$BAT_CAP_PATH")
|
||
|
|
charge_full=$(cat "$BAT_CAP_FULL_PATH")
|
||
|
|
percent=$(echo "100 * $charge_now / $charge_full" | bc)
|
||
|
|
echo $timestamp $percent >> "$DST_FILE"
|
||
|
|
}
|
||
|
|
|
||
|
|
read_bat_percent
|
||
|
|
# truncate to most recent entries by max_entries
|
||
|
|
tail -n $MAX_ENTRIES "$DST_FILE" > /tmp/batmon.tmp.log && mv /tmp/batmon.tmp.log "$DST_FILE"
|