-o tsv added

subscriptionID=$(az account show --query id) needs -o tsv for working cli

Author: Keisuke Murayama

articles/iot-hub/tutorial-routing-config-message-routing-CLI.md

@@ -41,7 +41,7 @@ Copy and paste the script below into Cloud Shell and press Enter. It runs the sc
 ```azurecli-interactive
 # This command retrieves the subscription id of the current Azure account. 
 # This field is used when setting up the routing queries.
-subscriptionID=$(az account show --query id)
+subscriptionID=$(az account show --query id -o tsv)
 
 # Concatenate this number onto the resources that have to be globally unique.
 # You can set this to "" or to a specific value if you don't want it to be random.
@@ -301,4 +301,4 @@ az iot hub route create --name $routeName \
 Now that you have the resources set up and the message routes configured, advance to the next tutorial to learn how to send messages to the IoT hub and see them be routed to the different destinations. 
 
 > [!div class="nextstepaction"]
-> [Part 2 - View the message routing results](tutorial-routing-view-message-routing-results.md)
+> [Part 2 - View the message routing results](tutorial-routing-view-message-routing-results.md)