Reorganization to hopefully prevent git conflicts.

modules/convert/convert.sh

@@ -14,4 +14,11 @@ if ! check_dependencies "${dependencies[@]}"; then
     exit 1
 fi
 
-msg "$chan" "$(units -v ${*#* } | head -n1 | tr -d '[:space:]')"
+# Validate input
+if [[ -z "$*" ]]; then
+    msg "$chan" "Please provide a unit conversion (e.g., '10 meters to feet')."
+    exit 0
+fi
+
+# Quote variables to prevent command injection
+msg "$chan" "$(units -v "${*#* }" | head -n1 | tr -d '[:space:]')"