Hi Leslie, I am sure you mean 1984. And then there was still only EXECIO. I have to look up when VM/CMS got stream; TSO never had it until now, unless we installed a library. I will try to find out the timeline.
best regards, René. > On 10 Feb 2021, at 05:45, J Leslie Turriff <jlturr...@mail.com> wrote: > > On 2021-02-09 19:02:12 Michael Lueck wrote: >>> Any ideas on how this was meant to be when it was designed? >> >> I never claim to be the best expert at REXX history, however... >> >> On Mainframe, I believe either the Stream concept came much later or still >> is not there at all. > > The file I/O functions [stream(), charin(), charout(), chars(), > linein(), lineout(), > lines()] have been in the language since at least when I first used VM/CMS in > ~1974. > They could operate on CMS minidisk, Shared File System*, or Byte File System* > files; > sockets capabilities came later when a TCP/IP stack was added to VM. In MVS > Rexx could > use these functions to do I/O to QSAM, Open Edition or Unix System Services > files. > See https://www.vm.ibm.com/library/640pdfs/64622201.pdf Chapter 9: > Input and Output, for > example. > > Leslie > > > -- > > > _______________________________________________ > Oorexx-devel mailing list > Oorexx-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/oorexx-devel _______________________________________________ Oorexx-devel mailing list Oorexx-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/oorexx-devel