Time for action—customizing the hello world file with arguments and parameters

Let's create a more flexible version of the job you did in the previous section.

  1. Create a new transformation.
  2. Press Ctrl+T to bring up the Transformation properties window.
  3. Select the Parameters tab.
  4. Add a named parameter HELLOFOLDER. Insert chapter10 as the default value.
  5. Click on OK.
  6. Drag a Get System Info step to the canvas .
  7. Double-click the step.
  8. Add a field named yourname. Select command line argument 1 as the Type.
  9. Click on OK.
  10. Now add a Formula step located in the Scripting category of steps.
  11. Use the step to add a String field named message. As Formula, type"Hello, " & [yourname] & "!".
  12. Finally, add a Text file output step.
  13. Use the step to send the message data to a file. ...

Get Pentaho 3.2 Data Integration Beginner's Guide now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.