Input file? Write to a PS file that is always read? Have an IEBGENER step from SYSUT1 DD * with no lines and if needed add lines in exit?
SET &PARMVAL='blanks' and modify with exit. EXEC PGM=program,PARM='PARMVAL' . On Wed, Nov 13, 2024 at 12:53 PM Steff Gladstone <000005c5038228fa-dmarc-requ...@listserv.ua.edu> wrote: > > Ok. Let me make my question clearer. I am talking about modification > before execution of the job-step begins. There is a list (either in a VSAM > file or in common memory, and constantly changing) of batch jobs (actually > the key would be jobname/stepname) that require some extra monitoring, > which is implemented by adding an input file (created on the fly) and > possibly adding some extra parameters to the PARM of the EXEC statement. > This must be done before the job-step begins to execute. > > I hope this is clearer now. > > On Mon, 11 Nov 2024 at 17:11, Seymour J Metz <sme...@gmu.edu> wrote: > > > Either way, it's before the job executes. I read the original post as > > requesting changes during execution. > > > > For changes prior to executions, there are many good options. As usual, > > the devil is in the details, and it's impossible to judge without knowing > > what OP really wants. > > > > -- > > Shmuel (Seymour J.) Metz > > http://mason.gmu.edu/~smetz3 > > עַם יִשְׂרָאֵל חַי > > נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר > > > > > > > > ________________________________________ > > From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf > > of Allan Staller <00000632b4c7ca99-dmarc-requ...@listserv.ua.edu> > > Sent: Monday, November 11, 2024 10:04 AM > > To: IBM-MAIN@LISTSERV.UA.EDU > > Subject: Re: Modifying JCL on the fly > > > > Caution: This email did not originate from George Mason’s mail system. Do > > not click links or open attachments unless you recognize the sender and > > know the content is safe. > > > > > > Classification: Confidential > > > > OOPs! Exit 4 may be Simpler, not similar.... > > > > -----Original Message----- > > From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf > > Of Allan Staller > > Sent: Monday, November 11, 2024 8:36 AM > > To: IBM-MAIN@LISTSERV.UA.EDU > > Subject: Re: Modifying JCL on the fly > > > > [CAUTION: This Email is from outside the Organization. Unless you trust > > the sender, Don’t click links or open attachments as it may be a Phishing > > email, which can steal your Information and compromise your Computer.] > > > > Classification: Confidential > > > > JCL has already been converted. Text units can be added/deleted as needed > > (again, very similar to dynamic allocation. > > EXIT4 is (possibly) similar. > > > > When I actually did this at a former employer, EXIT6 needed to be modified. > > > > HTH, > > > > > > -----Original Message----- > > From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf > > Of David Spiegel > > Sent: Monday, November 11, 2024 8:11 AM > > To: IBM-MAIN@LISTSERV.UA.EDU > > Subject: Re: Modifying JCL on the fly > > > > [CAUTION: This Email is from outside the Organization. Unless you trust > > the sender, Don’t click links or open attachments as it may be a Phishing > > email, which can steal your Information and compromise your Computer.] > > > > Hi Allan, > > Why is JES2 Exit 6 better than Exit 4 for this purpose? > > > > Regards, > > David > > > > > > On 11/11/2024 08:59, Allan Staller wrote: > > > Classification: Confidential > > > > > > IEFUSI is too late in the process. I suggest JES2 EXIT6 (or EXIT26?) > > depending on the JES2 Environment. > > > In both cases, you must be prepared to manipulate the INTERPRETER > > internal text (very similar in concept to dynamic allocation). > > > > > > HTH, > > > > > > -----Original Message----- > > > From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On > > > Behalf Of Steff Gladstone > > > Sent: Sunday, November 10, 2024 2:51 PM > > > To: IBM-MAIN@LISTSERV.UA.EDU > > > Subject: Modifying JCL on the fly > > > > > > [CAUTION: This Email is from outside the Organization. Unless you > > > trust the sender, Don’t click links or open attachments as it may be a > > > Phishing email, which can steal your Information and compromise your > > > Computer.] > > > > > > What is the best way of modifying JCL after the job has been > > > submitted, in order to conditionally add another DDNAME to a JOB STEP? > > Or > > > perhaps adding parameters to the PARM string on the EXEC statement. > > > > > > We were thinking of using the IEFUSI exit point, allocating a file > > > dynamically before the main program of the job-step is attached. I > > > gather there are also JES2 exits (are they simple exits or the more > > > flexible exit > > > points?) that are appropriate to the task and would be interested to > > hear advice from other system programmers. > > > > > > Two other questions: are these exits specified in the PARMLIB or via > > some other mechanism? And what happens if the exit fails in some way? > > What action does the system take? > > > > > > Thanks in advance, > > > Steff Gladstone > > > > > > ---------------------------------------------------------------------- > > > For IBM-MAIN subscribe / signoff / archive access instructions, send > > > email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > > > ::DISCLAIMER:: > > > ________________________________ > > > The contents of this e-mail and any attachment(s) are confidential and > > intended for the named recipient(s) only. E-mail transmission is not > > guaranteed to be secure or error-free as information could be intercepted, > > corrupted, lost, destroyed, arrive late or incomplete, or may contain > > viruses in transmission. The e mail and its contents (with or without > > referred errors) shall therefore not attach any liability on the originator > > or HCL or its affiliates. Views or opinions, if any, presented in this > > email are solely those of the author and may not necessarily reflect the > > views or opinions of HCL or its affiliates. Any form of reproduction, > > dissemination, copying, disclosure, modification, distribution and / or > > publication of this message without the prior written consent of authorized > > representative of HCL is strictly prohibited. If you have received this > > email in error please delete it and notify the sender immediately. Before > > opening any email and/or attachments, please check them for viruses and > > other defects. > > > ________________________________ > > > > > > ---------------------------------------------------------------------- > > > 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 > > > > > > ---------------------------------------------------------------------- > > 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 -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
