add bin scripts

bin/bar.sh

@@ -0,0 +1,91 @@
+#!/bin/bash
+trap \
+    "{ pkill -P $$ ; exit 255; }" \
+    SIGINT SIGTERM ERR EXIT
+
+bat() {
+    battery=$(cat /sys/class/power_supply/BAT0/capacity)
+    time=$(cat /tmp/.battime)
+    drain=$(cat /sys/class/power_supply/BAT0/power_now)
+    if [[ $(cat /sys/class/power_supply/BAT0/status) == "Charging" ]]; then
+        echo "$battery%+"
+    else
+        echo "$time, $battery%$charge, $(echo "scale=1; $drain / 1000000" | bc)mW"
+    fi
+}
+
+time_date() {
+    FORMAT="%a %m.%d.%y %T"
+    DATE=`date "+${FORMAT}"`
+    echo "${DATE}"
+}
+
+mem() {
+    echo "scale=2; $(free -m | sed -n 2p | awk '{print $3 + $5}') / 1000" | bc
+}
+
+vol() {
+    MUTED=$(amixer get Master | grep off)
+    amixer get Master | grep -m1 -Po "\d{1,3}%"
+    [[ $MUTED != '' ]] && echo " M";
+
+}
+
+temp_update() {
+    TEMP=$(cat /sys/class/thermal/thermal_zone0/temp)
+    echo $((TEMP / 1000)) 
+}
+
+cpu_update() {
+    read prevtotal previdle < /tmp/.cpulast
+    read cpu a b c idle rest < /proc/stat
+    total=$((a+b+c+idle))
+    [[ $prevtotal == 0 ]] && prevtotal=1
+    cpu=$((100*( (total-prevtotal) - (idle-previdle) ) / (total-prevtotal) ))
+    echo $total $idle > /tmp/.cpulast
+    echo "$cpu%" 
+}
+
+calc(){ awk "BEGIN { print "$*" }"; }
+mhz_update() {
+    mhz=$(cat /proc/cpuinfo | grep 'cpu MHz' | awk '{print $4}' | head -n1 | cut -d "." -f 1)
+    echo "$(calc $mhz/1000 | awk '{ printf "%1.2f\n", $0 }') GHz" 
+}
+
+update_3() {
+    while true; do
+        cpu_update > /tmp/.cpu
+        temp_update > /tmp/.temp
+        mhz_update > /tmp/.mhz
+        sleep 3
+    done
+}
+update_30() {
+    while :; do
+        awk 'NR==3 {printf("%.0ddB",$4) > "/tmp/.wifi"}' /proc/net/wireless
+        acpi | awk '{print $5}' > /tmp/.battime
+        if ping -W 1 -c 1 8.8.8.8 > /dev/null; then
+            echo "@" > /tmp/.online
+        else
+            echo "?" > /tmp/.online
+        fi
+        sleep 30
+    done
+}
+
+update_300() {
+    while :; do
+        curl -s wttr.in/madison?format=%t | head -c 7 > /tmp/.wttr
+        sleep 300
+    done
+}
+
+SLEEP_SEC=1
+PAD=" | "
+update_300 &
+update_30 &
+update_3 &
+while true; do
+    xsetroot -name "$(mem)G$PAD$(cat /tmp/.cpu)$PAD$(cat /tmp/.mhz)$PAD$(cat /tmp/.temp)°C$PAD$(cat /tmp/.wifi), $(cat /tmp/.online)$PAD$(vol)$PAD$(bat)$PAD$(cat /tmp/.wttr), $(time_date)"
+    sleep $SLEEP_SEC
+done