Doing simple tasks with the JavaScript step
In earlier versions of Kettle, coding in JavaScript was the only way the users had for performing many tasks. In the latest versions, there are many other ways for doing the same tasks, but JavaScript is still an option. There is the JavaScript step that allows you to insert code in a Kettle transformation. In the following section, you will recreate a transformation from Chapter 4, Filtering, Searching, and Performing Other Useful Operations with Data, by replacing part of its functionality with JavaScript.
