get battery percentage script updated

bin/batperc

@@ -5,19 +5,28 @@ Color_off='\033[0m'
 Red='\033[0;31m'
 Yellow='\033[1;33m'
 
-batfull=$(cat /sys/class/power_supply/$1/energy_full)
-batnow=$(cat /sys/class/power_supply/$1/energy_now)
-batperc=$((($batnow/($batfull/100))))
+batteries=$(ls /sys/class/power_supply/ | grep BAT)
 
-if [[ "$batperc" -le "20" ]]; then
-    printf "$Red$batperc$Color_off\n"
-    exit 0
+if [[ "$batteries" == "" ]]; then
+    printf "$Yellow**$Red error:$Color_off no battery found\n"
+    exit 1;
 fi
 
-if [[ "$batperc" -le "70" ]]; then
-    printf "$Yellow$batperc$Color_off\n"
-    exit 0
-fi
+for i in $batteries; do
+    batfull=$(cat /sys/class/power_supply/$i/energy_full)
+    batnow=$(cat /sys/class/power_supply/$i/energy_now)
+    batperc=$((($batnow/($batfull/100))))
 
-printf "$Green$batperc$Color_off\n"
+    if [[ "$batperc" -le "20" ]]; then
+        printf "$Yellow**$Color_off $i: $Red$batperc$Color_off\n"
+        exit 0
+    fi
+
+    if [[ "$batperc" -le "70" ]]; then
+        printf "$Yellow**$Color_off $i: $Yellow$batperc$Color_off\n"
+        exit 0
+    fi
+
+    printf "$Yellow**$Color_off $i: $Green$batperc$Color_off\n"
+done