Guard against hostnames/avahi responses with spaces

Author: LordMike

tools/wled-tools

@@ -68,22 +68,23 @@ EOF
 }
 
 # Discover devices using mDNS
-discover_devices() {
-    if ! command -v avahi-browse &> /dev/null; then
-        log "ERROR" "$RED" "'avahi-browse' is required but not installed."
-        exit 1
-    fi
+discover_devices() {  
+    if ! command -v avahi-browse &> /dev/null; then  
+        log "ERROR" "$RED" "'avahi-browse' is required but not installed."  
+        exit 1  
+    fi  
 
-    mapfile -t raw_devices < <(avahi-browse _wled._tcp --terminate -r -p | awk -F';' '/^=/ {print $7, $8, $9}')
+    # Map avahi responses to strings seperated by 0x1F (unit separator)
+    mapfile -t raw_devices < <(avahi-browse _wled._tcp --terminate -r -p | awk -F';' '/^=/ {print $7"\x1F"$8"\x1F"$9}')  
 
-    local devices_array=()
-    for device in "${raw_devices[@]}"; do
-        read -r hostname address port <<< "$device"
-        devices_array+=("$hostname" "$address" "$port")
-    done
+    local devices_array=()  
+    for device in "${raw_devices[@]}"; do  
+        IFS=$'\x1F' read -r hostname address port <<< "$device"  
+        devices_array+=("$hostname" "$address" "$port")  
+    done  
 
-    echo "${devices_array[@]}"
-}
+    echo "${devices_array[@]}"  
+}  
 
 # Backup one device
 backup_one() {