Pentaho Data Integration Beginner's Guide

Using named parameters and command-line arguments in transformations

As you know, transformations accept both arguments from the command line and named parameters. When you run a transformation from Spoon, you supply the values for arguments and named parameters in the transformation dialog window that shows up when you launch the execution. From a terminal window, you provide those values in the Pan command line. Remember from Chapter 3, Manipulating Real-world Data, that Pan is the program that runs transformations from a terminal window.

In this chapter, you have learned to run a transformation embedded in a job. Here the methods you have for supplying named parameters and arguments needed by the transformation are quite similar. From Spoon, ...