As noted, one of your best sources of inspiration are the routines supplied with DataStage itself. The source for all of them are easily accessed in the Manager. Study them. Make copies of them and then change them to suit your own needs.
-craig
"You can never have too many knives" -- Logan Nine Fingers
I learn from examples. That is why I looked at the SDK. It is also why I post code all the time. There are lots of routines for free on my tips page. Look through these and try to figure out what they do. Ask when something does not make sense.