A few updates, cleanup updated weather module.

functions.sh

@@ -4,6 +4,25 @@ if [[ -z "$input" ]]; then
     input="$(mktemp .XXXXXX)"
 fi
 
+# Check if required dependencies are available
+# Usage: check_dependencies "command1" "command2" ...
+# Returns 0 if all found, 1 if any missing
+check_dependencies() {
+    local missing=()
+    local cmd
+    for cmd in "$@"; do
+        if ! command -v "$cmd" &> /dev/null; then
+            missing+=("$cmd")
+        fi
+    done
+
+    if [[ ${#missing[@]} -gt 0 ]]; then
+        echo "Missing dependencies: ${missing[*]}"
+        return 1
+    fi
+    return 0
+}
+
 close_bot() {
     echo -en "QUIT :${quitMessage}\r\n" >> "$input"
 }