#!/bin/sh

################################################################################
##       BatteryLogger v1.00 by Timo Taskinen (timo.taskinen@iki.fi)          ##
## Creative Commons Attribution-Noncommercial-Share Alike 1.0 Finland License ##
##           http://creativecommons.org/licenses/by-nc-sa/1.0                 ##
################################################################################

# Log file location and filename prefix to use
# (battery serial number and filename extension will be added)
LOGFILEPREFIX="/Users/user/battery"

# Location of ioreg binary (default in OS X 10.5 Leopard is "/usr/sbin/ioreg")
IOREGBIN="/usr/sbin/ioreg"

# After this there will be dragons.

MAXCAPACITY=`$IOREGBIN -l | awk '/MaxCapacity/ { print $5; }'`
CYCLECOUNT=`$IOREGBIN -l | awk '/CycleCount/ { print $5; }'`
BATTERYSERIALNUMBER=`$IOREGBIN -l | awk '/BatterySerialNumber/ { split($0, line, "\""); printf("%s\n", line[4]); }'`
TIMESTAMP=`date "+%d.%m.%Y %H:%M:%S"`

echo "$TIMESTAMP;$MAXCAPACITY;$CYCLECOUNT" >> $LOGFILEPREFIX-$BATTERYSERIALNUMBER.csv