gentoo -hal

~ > grep batt .xbindkeysrc
"~/bin/batt.sh | osd_cat -p bottom -A left -f '-*-fixed-medium-r-*-*-40-*-*-*-*-*-iso10646-*' -c '#cc0' --delay=3 -O 3 -u '#000' -l 2"

~ > cat ~/bin/batt.sh
#!/bin/bash

BAT="BAT0"

FULL=`cat /sys/class/power_supply/${BAT}/energy_full`
PRESENT=`cat /sys/class/power_supply/${BAT}/present`
CHARGE=`cat /sys/class/power_supply/${BAT}/energy_now`
STATUS=`cat /sys/class/power_supply/${BAT}/status`

if test "$PRESENT" != "0" ; then
CHARGE=$((${CHARGE}*100/${FULL}))
if [ "$1" == "-s" ]; then
STATUS=$(echo ${STATUS} | cut -c 1)
echo "${STATUS}:${CHARGE}"
else
echo "${CHARGE}% (${STATUS})"
fi
else
echo "AC"
fi