I know that in the past, they were handy for when you dropped your deck of physical cards. And if guess that they can still be handy if you distribute source modifications in a format suitable for processing by IEBUPDTE, like IBM does at times.
But I'm having trouble figuring out why I would want to do this with my own code. The reason I'm even considering stopping is because I really prefer to keep my HLASM code in a UNIX directory rather than a PDS. -- I have a theory that it's impossible to prove anything, but I can't prove it. Maranatha! <>< John McKown
