#!/bin/sh

hostname() {
	cat /etc/hostname	
}

clock() {
	date +%H:%M
}

clocktick() {
	date +%H\ %M
}

battery() {
	cat /sys/class/power_supply/BAT1/capacity
}

wifi() {
	iwgetid -r
}

cpu() {
	top -bn1 | grep "Cpu(s)" | \
           sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | \
	   awk '{print int(100 - $1)}'
}

mem() {
	free -m | grep Mem | awk '{print int(($3/$2)*100)}'
}

while true; do
	BAR_INPUT="%{B#20000000}%{l} $(hostname) %{c}CPU: $(cpu)% | MEM: $(mem)% | BAT: $(battery)% %{r}$(clock)"
    echo $BAR_INPUT
    sleep 1
    BAR_INPUT="%{B#20000000}%{l} $(hostname) %{c}CPU: $(cpu)% | MEM: $(mem)% | BAT: $(battery)% %{r}$(clocktick)"
    echo $BAR_INPUT
    sleep 1
done