status() {
 # This is for the main battery, if there's none, just display nothing.
 bat0=$(sysctl -n hw.sensors.acpibat0)
 if [ "${bat0} != "" ]; then
  bat0full=$(sysctl -n hw.sensors.acpibat0.amphour0 | sed s/.A.*//)
  bat0warn=$(sysctl -n hw.sensors.acpibat0.amphour1 | sed s/.A.*//)
  bat0low=$(sysctl -n hw.sensors.acpibat0.amphour2 | sed s/.A.*//)
  bat0now=$(sysctl -n hw.sensors.acpibat0.amphour3 | sed s/.A.*//)

  # Get the battery capacity in percentage
  bat0cap=`echo "100 * ${bat0now} / ${bat0full}" | bc`
  bat0p="$bat0cap%"

  # Get the charging status of the battery, replace with symbols
  bat0s=$(sysctl -n hw.sensors.acpibat0.raw0 | sed 's/'0'.*//; s/'1'.*/-/; s/'2'.*/+/; s/'4'.*/!/')
 else
  bat0p=`echo ""`
  bat0s=`echo ""`
 fi

 # This is for extended battery, if it's installed, display the status. Else just display nothing.
 bat1=$(sysctl -n hw.sensors.acpibat1)
 if [ "${bat1} != "" ]; then
  bat1full=$(sysctl -n hw.sensors.acpibat1.amphour0 | sed s/.A.*//)
  bat1warn=$(sysctl -n hw.sensors.acpibat1.amphour1 | sed s/.A.*//)
  bat1low=$(sysctl -n hw.sensors.acpibat1.amphour2 | sed s/.A.*//)
  bat1now=$(sysctl -n hw.sensors.acpibat1.amphour3 | sed s/.A.*//)

  # Get the battery capacity in percentage
  bat1cap=`echo "100 * ${bat1now} / ${bat1full}" | bc`
  bat1p="$bat1cap%"

  # Get the charging status of the battery, replace with symbols
  bat1s=$(sysctl -n hw.sensors.acpibat1.raw0 | sed 's/'0'.*//; s/'1'.*/-/; s/'2'.*/+/; s/'4'.*/!/')
 else
  bat1p=`echo ""`
  bat1s=`echo ""`
 fi

 # Get the AC Adapter status
 ac0=$(sysctl -n hw.sensors.acpiac0.indicator0 | sed s/.'('.*//)

 # Get the free memory data using top
 memfree=$(top | grep Memory | sed 's/.*Free:.//; s/.Swap.*//')

 # Get the CPU usage via top
 cpuuse=$(top | grep 'CPU states:' | grep 's/.*nice..//; s/.sys.*//')

 # Display the status bar
 echo CPU: $cpuuse '|' Mem: $memfree '|' Bat: ${bat0p}${bat0s} ${bat1p}${bat1s} '|' AC: $ac0 '|' $(date)
}