Time for action – generating a hello world file by using arguments and parameters

In this tutorial, you will use all that you have learned so far, and at the same time, you will learn how to send arguments and parameters form a job to a transformation.

In the first place, let's create a new version of the Hello world transformation you created in Chapter 1, Getting Started with Pentaho Data Integration.

1. Create a new transformation.
2. Press Ctrl + T to bring the Transformation properties window.
3. Select the Parameters tab and add a named parameter. Call it HELLOFOLDER. As default value, type chapter10 and click on OK.
4. Drag a Get System Info step to the canvas.
5. Double-click on the step and add a field named yourname. As Type, select command-line argument 1.
6. Click on OK and add a UDJE step.
7. Use the step to add a String field named message. As Java expression, type "Hello, " + yourname + "!".
8. Finally, add a Text file output step.
9. Use the step to send the message data to a...