Linux: Added 'battery' which prints the usage percentage of each battery in your system

fetch

@@ -56,6 +56,7 @@ printinfo () {
     # info "Font" gtkfont
     # info "Disk" disk
     # info "Resolution" resolution
+    # info "Battery" battery
     # info "Song" song
     # info "Birthday" birthday
     # info "Visual Style" visualstyle
@@ -1182,6 +1183,39 @@ getdisk () {
 
 # }}}
 
+# Battery Usage {{{
+
+getbattery () {
+    case "$os" in
+        "Linux")
+            if [ -d "/sys/class/power_supply/BAT0" ]; then
+                batteries=($(cat /sys/class/power_supply/BAT*/capacity))
+
+                # Get the subtitle and reassign it so it doesn't change.
+                title="$subtitle"
+
+                # If there's only a single battery,
+                # don't number the subtitle.
+                if [ "${#batteries[@]}" == 1 ]; then
+                    prin "${title}: ${batteries[0]}%"
+                    return
+                fi
+
+                # Print each battery on a seperate line.
+                index=0
+                for bat in ${batteries[@]}; do
+                    prin "${title}${index}: ${bat}%"
+                    index=$((index + 1))
+                done
+            else
+                battery="Unknown"
+            fi
+        ;;
+    esac
+}
+
+# }}}
+
 # Birthday {{{
 
 getbirthday () {
@@ -1698,6 +1732,9 @@ getw3m_img_path () {
 # Info {{{
 
 info () {
+    # $1 is the subtitle
+    subtitle="$1"
+
     # Call the function and update variable
     if [ -z "$2" ]; then
         "get$1" 2>/dev/null
@@ -1727,12 +1764,13 @@ info () {
         ;;
 
         *)
-            string="${bold}${subtitle_color}${1}${clear}"
+            string="${bold}${subtitle_color}${subtitle}${clear}"
             string+="${colon_color}: ${info_color}${output}"
             length=$((${#subtitle} +  ${#output} + 2))
         ;;
     esac
 
+    # Print the string
     printf "%b%s\n" "${padding}${string}${clear}"
 }