Accessing copied rows for different purposes

In Chapter 12, Creating Portable and Reusable Transformations, you learned to copy a set of rows in one Transformation, and to access the copied rows using the Get rows from result step. Doing this allowed the rows to flow from one transformation to another. This is only one of the uses of the copied rows.

In general, when you copy rows using the Copy rows to result step, the copied rows become available to be used by the entries that are executed afterward. The next subsections shows you the possibilities.

Using the copied rows to manage files in advanced ways

In Chapter 3, Creating Basic Task Flows, you learned to manage files by copying, moving, and zipping files among other operations. At that time, you were introduced to the different steps and Job entries meant to do these operations. There are still two more ways to manage files:

• Copying rows to the arguments of an entry
• Using result filelists

We will explain the first of these options. In the...