Better env usage

tools/speech.sh

@@ -15,7 +15,11 @@ done
 # Check for required environment variable
 if [[ -z "${LLM_API_KEY}" ]]; then
 	echo "The environment variable LLM_API_KEY is not set."
-	echo "You can use the following command: 'export \$(xargs < ${SCRIPTPATH}/../.env)'"
+	echo "Try to load ${SCRIPTPATH}/../.env file"
+	export $(xargs <${SCRIPTPATH}/../.env)
+fi
+if [[ -z "${LLM_API_KEY}" ]]; then
+	echo "Failed to load ${SCRIPTPATH}/../.env file"
 	exit 1
 fi