On Thu, 18 Oct 2007 11:24:19 -0500, Tom Schmidt wrote: > >z/OS has the venerable OPEN-J service that might be what you are looking for >here. Check the z/OS publications for the OPEN macro's TYPE=J operand. > Those fixated on performance will object to performing an OPEN for each member rather than a single OPEN and multiple FINDs.
>If you are looking from the perspective of a higher-level language such as C >(although I might otherwise argue that point) then you can use BPXDYN >service to switch both member name and dataset name. > Ah, I forgot; as you note BPXWDYN also has a CALL interface (and in one convoluted case I encountered TSO's 100-character PARM limit; I resorted to several ALLOCATEs and a BPXWDYN CONCAT). But it isn't suited to the task of accessing various members from a given DDNAME (Suppose the DDNAME is a mixed concatenation of PDS[E]s and HFS directories). -- gil ---------------------------------------------------------------------- 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
