mydwmstatus

#!/bin/dash
#
#TODO
# put the info in the cache, for wifi, does not need to ask every time

usage() {
  echo "Usage: $0 (help|kill)"
}

killitself() {
  xsetroot -name "mydwmstatus is killed on $(date +'%H:%M:%S')" && pkill mydwmstatus
}

cpu(){
  read cpu a b c previdle rest < /proc/stat
  prevtotal=$((a+b+c+previdle))
  sleep 0.5
  read cpu a b c idle rest < /proc/stat
  total=$((a+b+c+idle))
  status=$((100*( (total-prevtotal) - (idle-previdle)  ) / (total-prevtotal) ))
  echo " $status%"
}

mem(){
  perc=`free | awk '/Mem/ {printf "%d\n", $3 * 100 / $2}'`
  echo " $perc%"
  if [ $perc -ge 90 ]; then
    pkill firefox
  fi
}

wifi() {
  echo " $(getssid)"
}

battery0() {
  case $(cat /sys/class/power_supply/BAT0/status) in 
    Full) status="?" ;;
    Charging) status="+" ;;
    Dischargin) status="-" ;;
  esac

  capacity=$(cat /sys/class/power_supply/BAT0/capacity)

  if [ $capacity -ge 100 ];then 
    icon=""
  elif [ $capacity -ge 75 ];then 
    icon=""
  elif [ $capacity -ge 50 ];then 
    icon=""
  elif [ $capacity -ge 25 ];then 
    icon=""
  else
    icon=""
  fi

  echo "$icon $capacity%$status"  
}

myweather() {
  weather text
}

mydate() { 
  icon=$(dayornight)
  date +" %a %b.%d $icon %T"
}

istheretimer() {
  pgrep timer > /dev/null && echo " "
}


main() {
  while true; do
    xsetroot -name "$(cpu) $(mem) $(battery0) | $(myweather) $(mydate) $(mymood)$(istheretimer)"
    sleep 2
  done
}

case $1 in 
  help|h) usage;;
  kill|k) killitself;;
  *) main;;
esac

# vim: filetype=sh