system-info: Enable CPU load and battery icon on macOS

system-info/system-info-WSL.sh

@@ -36,9 +36,9 @@ while true; do
     "(Get-WmiObject win32_battery).EstimatedChargeRemaining" \
     | sed 's/\r//')
   if [ "" != "$raw_battery" ]; then
-    battery="$(printf "%3d%%" "$raw_battery") $(echo $raw_battery | \
-      awk '$raw_battery ~ /.*/ { printf "%s\n", \
-        substr("", int($raw_battery / 9), 1) }')"
+    battery="$(echo $raw_battery | awk '$battery ~ /.*/ {
+      printf "%3d%% %s\n", $battery, substr("", int($battery / 9), 1)
+    }')"
   fi
 
   echo "$cpu_temp$cpu_load$battery" > $cache_file