A post processing script can be used as a mechanism for collecting output from a particular process step and storing it as a property to be referenced in another step.
The tutorial describes how you can set up a simple but effective process and post processing script, it assumes that an agent is already connected to the SDA server.
The following steps allow you to achieve this, are described in the Getting Started PDF.
Step 1: Create a new global process
Step 2: Add a shell step Step
Step 3: Create a Post Processing Script
Step 4: Update Global processs with Post Processing Script
Step 5: Run the process and view the output properties
See the Getting Started PDF.
See Related Blog Posts:
SDA - Using post-processing in a step or plug-in - http://www.serenacentral.com/blogs/entry/sda-using-post-processing-in-a-step-or-plug-in
SDA: Creating and using Properties from values in Shell Script Process Steps - http://www.serenacentral.com/blogs/entry/sda-creating-and-using-properties-from-values-in-shell-script-process-steps