bar.sh

#!/usr/bin/env bash


color_std="#cccccc"
color_waring="#cc0000"


get_brg() {
    brg=`cat /sys/class/backlight/intel_backlight/brightness`
    brg_max=`cat /sys/class/backlight/intel_backlight/max_brightness`
    brg_lvl=`echo "scale = 2; $brg / $brg_max * 100"\
            | bc\
            | sed -r 's/\..+//'`

    brg="{\"full_text\":\" BRG: $brg_lvl% \",\"color\":\"$color_std\"},"
}


init_csq() {
    /bin/sudo killall csq.sh
    /bin/sudo $HOME/.i3/csq.sh "/dev/ttyUSB2" &
}

get_csq() {
    csq=`cat /tmp/csq.txt`
    csq="{\"full_text\":\" CSQ: $csq% \",\"color\":\"$color_std\"},"
}


get_capslock() {
    capslock=`xset q\
            | grep "Caps Lock:"\
            | awk '{print($4)}'\
            | tr a-z A-Z`

    capslock="{\"full_text\":\" CPS: $capslock \",\"color\":\"$color_std\"},"
}


get_lng() {
    lng=`skb noloop\
            | head -c 2\
            | tr a-z A-Z`

    lng="{\"full_text\":\" $lng \",\"color\":\"$color_std\"},"
}


get_numlock() {
    numlock=`xset q\
            | grep "Num Lock:"\
            | awk '{print($8)}'\
            | tr a-z A-Z`

    numlock="{\"full_text\":\" NUM: $numlock \",\"color\":\"$color_std\"},"
}


get_cputemp() {
    sensors=`sensors\
            | grep Core\
            | sed 's/\..*//g;s/.*+//g'`

    cputemp=0

    for core in $sensors; do
        cputemp=$(($cputemp + $core))
    done

    # у меня 4 ядра
    cputemp=$(($cputemp / 4))

    cputemp_color=$color_std
    if (( "$cputemp" >= "70" )); then
        cputemp_color=$color_waring
    fi

    cputemp="{\"full_text\":\" CPU: $cputemp°C \",\"color\":\"$cputemp_color\"},"
}


get_snd() {
    sndlvl=`amixer get Master\
            | grep 'Mono:'\
            | sed 's/\].*$//;s/^.*\[//'`

    snd_state=`amixer get Master\
            | grep 'Mono:'\
            | awk '{print($6);}'\
            | tr a-z A-Z`

    snd="{\"full_text\":\" SND$snd_state: $sndlvl \",\"color\":\"$color_std\"},"
}


get_battlvl() {
    battlvl=`cat /sys/class/power_supply/BAT0/capacity`

    batt_color=$color_std
    if (( "$battlvl" <= "10" )); then
        batt_color=$color_waring
    fi

    battlvl="{\"full_text\":\" BAT: $battlvl% \",\"color\":\"$batt_color\"},"
}


get_date() {
    date=`date +%a\ %d.%m.%Y\
            | tr a-z A-Z`

    date="{\"full_text\":\" $date \",\"color\":\"$color_std\"},"
}


get_time() {
    time=`date +%H:%M:%S`
    time="{\"full_text\":\" $time \", \"color\":\"$color_std\"}"
}


blocks=(
    [10]=lng
    [20]=numlock
#   [30]=capslock
#   [40]=csq
    [50]=cputemp
#   [60]=brg
    [70]=snd
    [80]=battlvl
    [90]=date
    [100]=time
)

unset func_list
bar='['
for block in ${blocks[@]}; do
    init_$block 2> /dev/null
    func_list+=" get_$block"
    bar+='${'$block':-}'
done
bar+="],"


echo '{"version":1}['
while [ 1 ]; do
    for func in $func_list; do
        $func
    done
    eval echo -e \"${bar//\\/\\\\}\" || exit 3

    sleep 0.5
done