OK, I'll byte (ah, bite). Can the DD be allocated to a UNIX file? I don't see why not, but then ... .
//parmdd DD PATH='/home/myid/my-parm-file.txt', // FILEDATA=TEXT, // RECFM=VB,LRECL=32756,BLKSIZE=32760 // PATHOPTS=(ORDONLY) On Fri, Apr 5, 2013 at 8:28 AM, Peter Relson <[email protected]> wrote: > >>With this change, when the JCL interpreter sees the PARMDD=, it > >>allocates the buffer of 32768 bytes > > > >Did you see that documented somewhere? > > As one should expect, how the system chooses to allocate storage it uses > is not documented, as there is no need for the user to care. > > Informally, for those curious, the processing does what you might expect > it to do. > It allocates system subpool storage of approximately the maximum size so > that the PARMDD data can be read in, up to the maximum size. > When the parm data is to be presented to the user, an area of the needed > size, in a user subpool, is used, copied from the system storage. > > What I don't recall anyone inquiring about is > > -- what columns of the PARMDD data are used? > Answer: all, unless for fixed-block the last 8 characters are > decimal-numeric in which case those are treated as a sequence number and > are stripped out > > -- what about trailing blanks (including those preceding a stripped out > sequence number)? > Answer: they are stripped out > > -- in the result, where does the first column of line N+1 land in the > resulting parameter string with respect to the last-used column of line N? > Answer: right next to it (no extra blanks inserted in between lines) > > -- what about leading blanks? > Answer: they are kept. So if you need a blank separating what is on line N > and line N+1, you would start line N+1 with a blank > > > Peter Relson > z/OS Core Technology Design > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > -- This is a test of the Emergency Broadcast System. If this had been an actual emergency, do you really think we'd stick around to tell you? Maranatha! <>< John McKown ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
