#!/bin/sh
-while :; do echo "battery" `/usr/sbin/apm -l` "%"; sleep 1; done
+#
+
+print_date() {
+ # The date is printed to the status bar by default.
+ # To print the date through this script, set clock_enabled to 0
+ # in spectrwm.conf. Uncomment "print_date" below.
+ FORMAT="%a %b %d %R %Z %Y"
+ DATE=`date "+${FORMAT}"`
+ echo -n "${DATE} "
+}
+
+print_mem() {
+ MEM=`/usr/bin/top | grep Free: | cut -d " " -f6`
+ echo -n "Free mem: $MEM "
+}
+
+_print_cpu() {
+ typeset -R4 _1=${1} _2=${2} _3=${3} _4=${4} _5=${5}
+ echo -n "CPU:${_1}% User${_2}% Nice${_3}% Sys${_4}% Int${_5}% Idle "
+}
+
+print_cpu() {
+ OUT=""
+ # iostat prints each column justified to 3 chars, so if one counter
+ # is 100, it jams up agains the preceeding one. sort this out.
+ while [ "${1}x" != "x" ]; do
+ if [ ${1} -gt 99 ]; then
+ OUT="$OUT ${1%100} 100"
+ else
+ OUT="$OUT ${1}"
+ fi
+ shift;
+ done
+ _print_cpu $OUT
+}
+
+print_apm() {
+ BAT_STATUS=$1
+ BAT_LEVEL=$2
+ AC_STATUS=$3
+
+ if [ $AC_STATUS -ne 255 -o $BAT_STATUS -lt 4 ]; then
+ if [ $AC_STATUS -eq 0 ]; then
+ echo -n "on battery (${BAT_LEVEL}%)"
+ else
+ case $AC_STATUS in
+ 1)
+ AC_STRING="on AC: "
+ ;;
+ 2)
+ AC_STRING="on backup AC: "
+ ;;
+ *)
+ AC_STRING=""
+ ;;
+ esac;
+ case $BAT_STATUS in
+ 4)
+ BAT_STRING="(no battery)"
+ ;;
+ [0-3])
+ BAT_STRING="(battery ${BAT_LEVEL}%)"
+ ;;
+ *)
+ BAT_STRING="(battery unknown)"
+ ;;
+ esac;
+
+ FULL="${AC_STRING}${BAT_STRING}"
+ if [ "$FULL" != "" ]; then
+ echo -n "$FULL"
+ fi
+ fi
+ fi
+}
+
+print_cpuspeed() {
+ CPU_SPEED=`/sbin/sysctl hw.cpuspeed | cut -d "=" -f2`
+ echo -n "CPU speed: $CPU_SPEED MHz "
+}
+
+while :; do
+ # instead of sleeping, use iostat as the update timer.
+ # cache the output of apm(8), no need to call that every second.
+ /usr/sbin/iostat -C -c 3600 |& # wish infinity was an option
+ PID="$!"
+ APM_DATA=""
+ I=0
+ trap "kill $PID; exit" TERM
+ while read -p; do
+ if [ $(( ${I} % 1 )) -eq 0 ]; then
+ APM_DATA=`/usr/sbin/apm -alb`
+ fi
+ if [ $I -ge 2 ]; then
+ # print_date
+ print_mem $MEM
+ print_cpu $REPLY
+ print_cpuspeed
+ print_apm $APM_DATA
+ echo ""
+ fi
+ I=$(( ( ${I} + 1 ) % 22 ));
+ done
+done