dwstatus

#!/bin/bash
# DWM statusbar script

tgl(){
    tgl="$(date +"%a, %d %b – %H:%M")"
    echo -e "$tgl"
}

bat(){
    perc="$(acpi -b | awk '{print +$4}')"
    charge="$(acpi -b | grep "Charging")"
    online="$(acpi -V | grep "on-line")"
    full="$(acpi -b | grep 'Full')"

    if [ -z "$charge" ] && [ -z "$perc" ]; then
        echo -e "·BAT· no-bat
"
    elif [ -z "$charge" ] && [ "$perc" -le "20" ]; then
        echo -e "·BAT· $perc% BATTERY LOW
";
        dunstify "Your battery is running low: $perc% remaining";
    elif [ "$perc" -ge "85" ]; then
        echo -e "·BAT· $perc%
"
    else
        echo -e "·BAT· $perc%
"
    fi
}

vol(){
    mute=`amixer get Master | grep off`
    if [ -z $mute ]; then
        vol=`amixer get Master | grep -m 1 -o '[0-9][0-9]*%'`
        echo -e "\x02\uE05D\x01 $vol"
    else
        echo -e "\x02\uE05F\x01"
    fi
}

mem(){
    mem=`free -h | awk '/Mem:/ {printf("%s", $3)}'`
    echo -e "·MEM· $mem
"
}

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))
    cpu=$((100*( (total-prevtotal) - (idle-previdle) ) / (total-prevtotal) ))
    echo -e "·CPU· $cpu%
"
}

mpd(){
    if mpc &> /dev/null && [[ $(mpc | wc -l) != 1 ]]; then
        if [[ $(mpc | awk 'NR==2 {print $1}') == "[paused]" ]] ; then
            echo -e "\x02\uE0FE\x01 $( mpc | head -1 )"
        else
            echo -e "\x02\uE0FD\x01 $( mpc | head -1 )"
        fi
    fi
}

while true ; do
    # status=`echo -e "$(mpd)   $(cpu)   $(mem)   $(vol)   $(bat)   $(tgl) "`
    status=`echo -e "$(cpu) $(mem) $(bat) | $(tgl)"`
    xsetroot -name "$status"
    sleep 1s
done &