I could be wrong, but I don't believe that zip allows input from stdin. If info-zip uses fopen() to open files, then it might be possible to read mvs datasets directly as input files.
Kirk Wolf Dovetailed Technologies http://dovetail.com On Sun, Jun 14, 2009 at 8:55 PM, Timothy Sipples<[email protected]> wrote: > Vikesh Bhoola writes: >>This is a issue, as we really don't have the >>additional space to copy the 14GB MVS file to >>USS just to zip it. > > Is it possible to string together a couple z/OS UNIX commands and use UNIX > pipes? > > I don't think this works exactly, but something roughly like this: > > cp //\'ANYUSER.PROGRAM.OUTPUT\' | zip /usr/anyuser/output.zip - > > The zip command does accept stdin (using "-" as shown), and the cp command > does read MVS datasets. But I don't think that syntax is exactly right. > According to the z/OS 1.10 documentation, the following z/OS UNIX commands > support direct interaction with MVS datasets: > > cp > mv > pax > tar > c89 > > If at least one of those can transparently pipe to stdout, then you should > be able to get an MVS dataset into a zip file without writing that 14GB to > an intermediate zFS or HFS file. > > ....Actually, I see in the archives that John McKown posted a possible > solution. He said that z/OS UNIX cat does support MVS datasets. (Which > isn't documented. :-() But if true, here's what might work: > > cat //\'ANYUSER.PROGRAM.OUTPUT\' | zip /usr/anyuser/output.zip - > > There are a few command line options for cat, and of course there are some > for zip as well. So those could be added as required. Of course, you can > also initiate this sort of command via z/OS JCL (e.g. BPXBATCH) if you need > to do that. > > Anyway, I hope I'm on the right track at least. > > - - - - - > Timothy Sipples > IBM Consulting Enterprise Software Architect > Based in Tokyo, Serving IBM Japan / Asia-Pacific > E-Mail: [email protected] > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
