Read a filesystem once where two probes were answering the same question

Tools/ramdisk_stop.sh

@@ -154,9 +154,11 @@ if [[ "$SHOW_STATUS" == true ]]; then
     echo ""
 
     if mountpoint -q "$RAMDISK_PATH" 2>/dev/null; then
-        USAGE=$(df -BG "$RAMDISK_PATH" | awk 'NR==2 {print $3}')
-        AVAIL=$(df -BG "$RAMDISK_PATH" | awk 'NR==2 {print $4}')
-        echo "  $ICON_RAM  Ramdisk: mounted — $USAGE used / $AVAIL available ✅"
+        if read -r _ USED_MB AVAIL_MB <<< "$(disk_df "$RAMDISK_PATH")" && [[ -n "$AVAIL_MB" ]]; then
+            echo "  $ICON_RAM  Ramdisk: mounted — $(format_mb "$USED_MB") used / $(format_mb "$AVAIL_MB") available ✅"
+        else
+            echo "  $ICON_RAM  Ramdisk: mounted — size unreadable"
+        fi
         FILE_COUNT=$(find "$RAMDISK_PATH" -type f 2>/dev/null | wc -l)
         echo "  $ICON_RAM  Active files on ramdisk: $FILE_COUNT"
     else