> EXECIO in REXX will give you the record count in stem zero I believe only by reading the entire file.
On Fri, May 15, 2020 at 8:02 AM Charles Mills <charl...@mcn.org> wrote: > > EXECIO in REXX will give you the record count in stem zero > > I believe only by reading the entire file. > > Charles > Agree Charles. It's sort of hidden and would need a large memory allocation for the stem. > > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > Behalf Of Wayne Bickerdike > Sent: Thursday, May 14, 2020 2:31 PM > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: Is there any z/OS API to get byte file size for non-VSAM, > non-zFS, non-database files? > > EXECIO in REXX will give you the record count in stem zero. For FB you > obtain LRECL using LENGTH function. Multiply the two. No good for VB, so > that would require reading whole file. > > > > > On Fri, May 15, 2020, 07:05 Gerhard adam <gada...@charter.net> wrote: > > > > > > > > > > > Really? There’s lots that it could do? So why not just read the > > DSCB for how much is free and do the calculation that has been on every > > 3390 Reference card for 30 years > > This is done all the time and in a variety of ways. This problem was > > readily assessed for decades using a subroutine. This has always been > > something that could readily be done until people start putting language > > restrictions on it. It isn’t that the info isn’t available, it is simply > > that the information isn’t available given the restrictions placed on the > > problem > > > > > > > > Get Outlook for iOS > > > > > > > > > > > > > > On Thu, May 14, 2020 at 1:56 PM -0700, "Charles Mills" <charl...@mcn.org > > > > wrote: > > > > > > > > > > > > > > > > > > > > > > There is lots it could do! Make a decision on "strategy" based on the > > volume of input, for example. Do I process it all or cut off after 'n' > > records and do more on the next run? Do I read the file into an in-memory > > table and access records there, or do I load it into a VSAM file for > direct > > access? Do I invoke an external sort or use an internal sort? Or a > thousand > > other things. > > > > It is wrong as @Shmuel points out to preclude questioning the necessity > of > > doing something exactly as the OP suggests. It is equally wrong to assume > > there could be no good reason for doing it the OP's way. > > > > Charles > > > > > > -----Original Message----- > > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On > > Behalf Of Gerhard adam > > Sent: Thursday, May 14, 2020 11:52 AM > > To: IBM-MAIN@LISTSERV.UA.EDU > > Subject: Re: Is there any z/OS API to get byte file size for non-VSAM, > > non-zFS, non-database files? > > > > > > > > > > > > It is easy to say that a COBOL program needs to “know” this but > it > > is nonsense since there is nothing a COBOL program can do with this info. > > If it turns out to really be necessary then a subroutine can be written > > (as it has been done for decades) to provide this information. > > If the question is simply to bitch about why z/OS does do this > > automatically via a call or something then the complaint is directed to > the > > wrong group > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > > > > > > > > > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > -- Wayne V. Bickerdike ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
