TAPPDS and TAPEMAC can reassemble unloaded PDSes on CMS. In looking around, also look for INMR123 REXX on your S disk. That seems to do something like what you might want.
> I suspect that the 'some data' is an IEBCOPY unloaded PDS. Now I have an > assembler program that reads an IEBCOPY unloaded PDS but no program to wr > ite > one. I will have to break open the IEBCOPY program to see how a datastrea > m > is constructed. Maybe I can get a pipeline to create a compatible datastr > eam.
