Re: Some UNIX file usage questions

Hi, I remember I did that 25 years ago something like (was actually in perl on windows):   open(path/prefix-current_day_or_so, |O_WRONLY|O_APPEND|)"   write(..)   cliose(..)   fsync(...) (error treating TDB). KISS  ? ( If you are paranoiac, use three copies, or else  :-) Peter

Re: Some UNIX file usage questions

On 20/06/2022 12:08 pm, kekronbekron wrote: Hey Charles, I know exactly how to execute a Started Task written in Rexx, and I know most of the gotchas. Could you expand a bit on this please. I have this compiled REXX called MON3B from IBM, from 2016.

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

On 20/06/2022 12:10 pm, kekronbekron wrote: From the presentations I've seen they used CDC to capture writes and then published events to Kafka, which was fanned out to different micro-services to do fraud detection, payments, push notifications etc. Any chance it's available for the public?

Re: Some UNIX file usage questions

You could have learned Python in the time it took you to write this email. On 20/06/2022 1:15 am, Charles Mills wrote: Why not use Python? Good question. 1. I can undoubtedly do it perfectly satisfactorily, and almost certainly more quickly, in Rexx (because of the learning curve). I would

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

> From the presentations I've seen they used CDC to capture writes and then published events to Kafka, which was fanned out to different micro-services to do fraud detection, payments, push notifications etc. Any chance it's available for the public? I've seen a similar session by Confluent &

Re: Some UNIX file usage questions

Hey Charles, > I know exactly how to execute a Started Task written in Rexx, and I know most > of the gotchas. Could you expand a bit on this please. I have this compiled REXX called MON3B from IBM, from 2016.

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

The mainframe has been a real time machine for decades.  Sent from Yahoo Mail for iPhone On Sunday, June 19, 2022, 8:26 PM, David Crayford wrote: Did he say that are are you putting words into his mouth? Either way I don’t care. He’s been retired for years so his knowledge of the mainframe

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

How’s the Fintech stocks working for you? Most of them are going under. Sent from Yahoo Mail for iPhone On Sunday, June 19, 2022, 8:26 PM, David Crayford wrote: Did he say that are are you putting words into his mouth? Either way I don’t care. He’s been retired for years so his knowledge of

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

Did he say that are are you putting words into his mouth? Either way I don’t care. He’s been retired for years so his knowledge of the mainframe is frozen in time. If you’re not at the coalface you loose touch. > On 20 Jun 2022, at 8:19 am, Bill Johnson >

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

Aren’t you the guy who thought Pharmacies weren’t open 24 by 7? Metz is right, if you think the mainframe is a batch machine, you’ve got zero credibility. Sent from Yahoo Mail for iPhone On Sunday, June 19, 2022, 4:51 PM, David Crayford wrote: On 20/06/2022 4:21 am, Bill Johnson wrote: >

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

On 20/06/2022 5:47 am, Joe Monk wrote: "Please elaborate how IMS TM is anything more than a message queue that processes transactions." Youre quibbling about form over substance. I'm asking you to back up your statement. As an example, NASA uses message queue processing for spacecraft

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

"Please elaborate how IMS TM is anything more than a message queue that processes transactions." Youre quibbling about form over substance. As an example, NASA uses message queue processing for spacecraft telemetry. Joe On Sun, Jun 19, 2022 at 4:39 PM David Crayford wrote: > On 20/06/2022

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

On 20/06/2022 5:27 am, Joe Monk wrote: "What have transactional systems like CICS or IMS got to do with real-time, straight-through processing? Most mainframe transactions store data that is later processed by batch, typically overnight." If you think CICS and IMS are transactional only, youre

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

"What have transactional systems like CICS or IMS got to do with real-time, straight-through processing? Most mainframe transactions store data that is later processed by batch, typically overnight." If you think CICS and IMS are transactional only, youre stuck in the '80s. As an example, ICCF on

Re: RIsks of sharing FICON adapters between LPARs on the same host

I presume you do this encryption in flight as well as encryption at rest using the native DS8K encryption facilities? So the data could be doubly encrypted? On Fri, Jun 17, 2022 at 9:22 PM Timothy Sipples wrote: > Laurence Chiu wrote: > >If all data is encrypted before I/O are there any

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

On 20/06/2022 4:21 am, Bill Johnson wrote: Most mainframes store transactions and process in batch? Are you the same guy who didn’t know pharmacies are open 24 by 7? Go and have a nap Bill. And don't forget to take your meds when you wake up. Sent from Yahoo Mail for iPhone On Sunday,

Re: Some UNIX file usage questions

Agreed; I did not spell out all the details, silly me. close(old) rename(old) open(new) Peter -Original Message- From: IBM Mainframe Discussion List On Behalf Of Paul Gilmartin Sent: Sunday, June 19, 2022 4:00 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Some UNIX file usage questions

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

Most mainframes store transactions and process in batch? Are you the same guy who didn’t know pharmacies are open 24 by 7?  Sent from Yahoo Mail for iPhone On Sunday, June 19, 2022, 2:03 PM, David Crayford wrote: On 20/06/2022 12:38 am, Seymour J Metz wrote: > Keep in mind that the

Re: Some UNIX file usage questions

On Sun, 19 Jun 2022 19:45:49 +, Farley, Peter x23353 wrote: >... >For discretely split data files (stop writing at EOD/end-of-period and start a >new file) using the same approach as the unix syslog demon would seem to be >useful. Rename current to current-plus-timed-qualifier (date

Re: Some UNIX file usage questions

Am 19.06.2022 um 21:47 schrieb Paul Gilmartin: On Sun, 19 Jun 2022 21:21:28 +0200, Bernd Oppolzer wrote: See: if I don't use the DD:xxx method the fopen the files, that is, if I specify DS-names on the fopen, the C runtime even does the allocation for me (SVC 99, IIRC), so that I even don't

Re: Some UNIX file usage questions

On Sun, 19 Jun 2022 at 14:30, Paul Gilmartin <042bfe9c879d-dmarc-requ...@listserv.ua.edu> wrote: [...] > On Sun, 19 Jun 2022 20:04:47 +0200, Bernd Oppolzer wrote: > > >There should be no difference in behaviour (in principle), no matter if you > >are writing to a classic MVS dataset or to a

Re: Some UNIX file usage questions

On Sun, 19 Jun 2022 21:21:28 +0200, Bernd Oppolzer wrote: >I don't code DISP=MOD, if I want to append data to an existing dataset; >instead I use fopen with an "a" in the mode parameter. > I wonder how the runtime handles that. I suppose it could POINT to DS1LSTAR. >My files have RECFM=FB, not

Re: Some UNIX file usage questions

Rexx VSAM file access from TSO/batch/STC is supported by the RXVSAM package (CBT file 268). Not sure if using RLS for an ESDS file would assist in the "timed writer, occasional reader" scheme the OP wants, but it might help if he wants to try that path. It would seem to me to be easier to use

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

On 20/06/2022 2:53 am, Seymour J Metz wrote: Systems like CICS *are* real-time, straight-through, although they can certainly create data for later batch processing. The point is that for half a century "mainframe" has included a wealth of applications that were not batch, and that the point

Re: Some UNIX file usage questions

I don't code DISP=MOD, if I want to append data to an existing dataset; instead I use fopen with an "a" in the mode parameter. My files have RECFM=FB, not FBS. I'm not aware of any restrictions; IMO, the C runtime handles all this. IIRC, I always use DISP=SHR (this, maybe, is not true for the

Re: Old PL/I Optimizing compiler - COUNT & FLOW options

On Sun, 19 Jun 2022 at 18:42, Seymour J Metz wrote: > Well, I would normally advise using a zapmaker, but for something that > trivial I would just code my own AMASPZAP input. > XMIT/RECEIVE also lets you edit load modules, and that's what I used to change the BLKSIZE of IND$FILE from 6233 to

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

Systems like CICS *are* real-time, straight-through, although they can certainly create data for later batch processing. The point is that for half a century "mainframe" has included a wealth of applications that were not batch, and that the point of transactional subsytems was to get away from

Re: Some UNIX file usage questions

On Sun, 19 Jun 2022 18:33:42 +, Seymour J Metz wrote: > >Are you claiming that syscall is a convenient way to do I/O in REXX? I find >ANSI stream I/O to be much cleaner. > Make lemonade. Does ANSI stream I/O provide full control of such as O_CREAT, O_EXCL, O_TRUNC, O_APPEND, ... as syscall

Re: Old PL/I Optimizing compiler - COUNT & FLOW options

Well, I would normally advise using a zapmaker, but for something that trivial I would just code my own AMASPZAP input. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of

Re: Some UNIX file usage questions

Nothing in Rexx is part of UNIX®. Are you claiming that syscall is a convenient way to do I/O in REXX? I find ANSI stream I/O to be much cleaner. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List

Re: Debit vs Credit card for cash at ATM? [was: RE: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS]

It was at length, wasn't it? Sorry, I just felt I had to explain how I got into the weird habit. You must be right; it happens I just learned that my current credit score, at least until last night, was pretty high. --- Bob Bridges, robhbrid...@gmail.com, cell 336 382-7313 /* The federal

Re: Some UNIX file usage questions

On Sun, 19 Jun 2022 20:04:47 +0200, Bernd Oppolzer wrote: >... That is, if you do fopen ("dd:outfile","wa"), >a file allocated to OUTFILE which has some records already (in a block which >is not filled up completely) will be filled before the next empty block is >allocated. > >At least, this

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

@Enzo, don't say I didn't warn you. Charles -Original Message- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Seymour J Metz Sent: Sunday, June 19, 2022 9:39 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Modernize Mainframe Applications for Hybrid

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

Yeah, after I wrote that I thought perhaps I was going off half-cocked. The fact is still, however, that the *effective* exposure is $zero. You can make your financial decisions as though it were otherwise, of course; that is your privilege. Charles -Original Message- From: IBM

Re: Debit vs Credit card for cash at ATM? [was: RE: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS]

That $50 cap is for credit cards; the liability cap for debit cards is ten times higher. No, I've never be dinged, but why put myself at risk? -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List

Re: Old PL/I Optimizing compiler - COUNT & FLOW options

I'm using, don't ask, the V2.3.0 Optimizing Compiler on, don't ask, z/OS 1.10 ADCD running under, OK enough. I've managed to find out that the library routine to print the COUNT table is IBMFEFCA, by doing a SRCHFOR for "GRAND", and by copying it into my ISPPLIB, I've actually got a disassembly

Re: Some UNIX file usage questions

On Sun, 19 Jun 2022 17:36:28 +, Seymour J Metz wrote: >Does Unix System Services support RECFM=FBS? If it does, then fopen needs to >properly handle short blocks for append. > Probably not. Even QSAM can't do that, even though it should. Submit an RFE. Or RYO with BSAM. There's an

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

No, the limit for a debit card is $500.00. Perhaps you're thinking of a credit card, for which the limit is $50.00. Again, that's why I don't and won't have a debit card. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe

Re: Some UNIX file usage questions

I am talking about classic MVS datasets all the time; not sure about USS files. With classic MVS datasets (RECFM=FB), the C runtime supports large blocks even with short record lengths. That is, if you do fopen ("dd:outfile", "wa"), a file allocated to OUTFILE which has some records already (in

Re: Debit vs Credit card for cash at ATM? [was: RE: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS]

I've never had a card cancelled because of breches or early payoff, but I do have a card on which I explicitly requested a low limit start cap creeping. Way back in the 1960s there were still bamks doing accounting on EAM equipment or computers programmed to look like old EAM processes. I once

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

On 20/06/2022 12:38 am, Seymour J Metz wrote: Keep in mind that the mainframe can only do batch processing, with input from cards. It doesn't support anything like CICS, IMS or Sabre.. What have transactional systems like CICS or IMS got to do with real-time, straight-through processing?

Re: Some UNIX file usage questions

Would a named pipe suit your needs? -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Charles Mills [charl...@mcn.org] Sent: Saturday, June 18, 2022 12:51 PM To:

Re: Old PL/I Optimizing compiler - COUNT & FLOW options

Is it the same in Version 2? Which is the OP using? -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of Tony Harminc [t...@harminc.net] Sent: Saturday, June 18, 2022 2:08

Re: Some UNIX file usage questions

I'm a REXX bigot, but updating a shared Unix file with appropriate serialization might be easier in, e.g., Java, Perl, Python. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on

Re: Some UNIX file usage questions

Does Unix System Services support RECFM=FBS? If it does, then fopen needs to properly handle short blocks for append. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of

Re: Debit vs Credit card for cash at ATM? [was: RE: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS]

Bob Bridges wrote at length, ending with: >.I simply put a >few thousand on the card, as though it was a pre-paid. The credit limit is >back up to a usable level now, but I'm still in the habit: I keep a >negative balance on the card. >Yeah, yeah, I know they're profiting from

Re: Some UNIX file usage questions

> Why not use Python? Good question. 1. I can undoubtedly do it perfectly satisfactorily, and almost certainly more quickly, in Rexx (because of the learning curve). I would have trouble justifying billing the client for my Python learning time when there is little benefit (that I know of --

Re: SMPe ACCEPT process

There was a time when ACCEPT NOAPPLY followed by a Stage 1 Sysgen, a Stage 2 Sysgen and a JCLIN was a common method for installing operating systems and program products. Most shops opted for IPO et al rather than going that route. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

Keep in mind that the mainframe can only do batch processing, with input from cards. It doesn't support anything like CICS, IMS or Sabre.. It's much better to run Linux than to get an IFL, which can only run batch. Cynical? Moi? -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3

Re: Some UNIX file usage questions

On Sun, 19 Jun 2022 14:53:31 +, Seymour J Metz wrote: > >Stream I/O is not part of UNIX�, > "not" ??? >... and is available with any ANSI compliant Rexx, e.g., Regina. Alas, > TSO/E REXX is not ANSI compliant > Alas. >... and IBM only supports stream I/O in Unix shells. I'm not

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

Bingo. Exactly what I meant. We ran batch and still were available 24 by 7. Sent from Yahoo Mail for iPhone On Sunday, June 19, 2022, 12:04 PM, Don Leahy wrote: Running batch does not preclude 24x7 online availability. On Sun, Jun 19, 2022 at 09:44 Bill Johnson <

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

Running batch does not preclude 24x7 online availability. On Sun, Jun 19, 2022 at 09:44 Bill Johnson < 0047540adefe-dmarc-requ...@listserv.ua.edu> wrote: > People still run batch on the mainframe? The ING CEO needs replaced. Last > shop I worked at we ran very little batch. Because as a

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

Fintech is causing massive losses.  https://www.finextra.com/newsarticle/40236/fintech-cheerleader-tiger-global-faces-massive-losses Sent from Yahoo Mail for iPhone On Sunday, June 19, 2022, 11:11 AM, Tom Brennan wrote: That's the most realistic assessment I've seen. On 6/18/2022 11:36

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

Not in my voracious reading. Sent from Yahoo Mail for iPhone On Sunday, June 19, 2022, 11:11 AM, Tom Brennan wrote: That's the most realistic assessment I've seen. On 6/18/2022 11:36 PM, David Crayford wrote: > It's not just about fixing broken code. If you read the ING CIO's > remarks

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

With interest rates rising, Fintech is in serious trouble. That’s why the stocks are down drastically. Add in that the accounts aren’t backed by the government and Fintech is basically unregulated & the coming insolvencies will be painful. Kind of like crypto. Everything that emanates from

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

That's the most realistic assessment I've seen. On 6/18/2022 11:36 PM, David Crayford wrote: It's not just about fixing broken code. If you read the ING CIO's remarks about why they wanted off the mainframe it's not about the platform. Nobody denies that mainframes are insanely brilliant

Re: Converting Spool files to PDF

There are a variety of sysout managers on the market that support PDF. Some of them rely on JCL parameters and others can extract metadata from the SPOOL files. I'm not aware of any that process the actual AFP definitions rather than just the names. No, you don't need PSF if you're just

Re: Some UNIX file usage questions

There are REXX function packages for VSAM. Stream I/O is not part of UNIX®, and is available with any ANSI compliant Rexx, e.g., Regina. Alas, TSO/E REXX is not ANSI compliant and IBM only supports stream I/O in Unix shells. I'm not aware of any convenient Unix facilities for accessing files

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

Fintech is a bubble.  https://www.cnbc.com/amp/2021/11/18/many-signs-that-fintech-is-in-a-bubble-jc-flowers-ceo-says.html Silicon Valley’s Fintech disruption is only viable with free money and zero interest rates. If offering your paycheck 2 days early is your offering, you’re a scam. A loan

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

Fintechs are struggling. Most Fintech stocks are down huge. Losing money hand over fist. They’re not even a challenge. Sent from Yahoo Mail for iPhone On Sunday, June 19, 2022, 2:36 AM, David Crayford wrote: On 19/06/2022 5:23 am, Enzo D'Amato wrote: > I also agree, but as a non-insider, I

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

People still run batch on the mainframe? The ING CEO needs replaced. Last shop I worked at we ran very little batch. Because as a health insurance company, we needed to have 24 by 7 by 365 online availability or patients die. Sent from Yahoo Mail for iPhone On Sunday, June 19, 2022, 2:36 AM,

Re: Some UNIX file usage questions

On Sun, 19 Jun 2022 09:02:53 -0400, Steve Smith wrote: >Well, I said ESDS; a KSDS would add useless complication and overhead. > I said I was entirely VSAM-naive. >Anyway, there doesn't seem to be any support for VSAM in REXX. Not sure >about USS functions, > Are you thinking of:

Re: Some UNIX file usage questions

Well, I said ESDS; a KSDS would add useless complication and overhead. Anyway, there doesn't seem to be any support for VSAM in REXX. Not sure about USS functions, but it seems much more straightforward to use USS files with USS functions. sas On Sat, Jun 18, 2022 at 5:05 PM Paul Gilmartin <

Re: z/OSMF Rollout

Brian, I am not an expert in z/OSMF, but I wrote z/OSMF autostart: how to stop it, and how to use it (or not) because you might need to handle a z/OSMF instance starting on LPARA today. and LPARB

Re: Converting Spool files to PDF

Right... Didn't notice the full requirements. *| **Itschak Mugzach | Director | SecuriTeam Software **|** IronSphere Platform* *|* *Information Security Continuous Monitoring for Z/OS, zLinux and IBM I **| * *|* *Email**: i_mugz...@securiteam.co.il **|* *Mob**: +972 522 986404 **|* *Skype**:

Re: Converting Spool files to PDF

Not if they need specific PAGEDEFs, FORMDEFs and other AFP constructs. -Original Message- From: IBM Mainframe Discussion List On Behalf Of Itschak Mugzach Sent: Sunday, June 19, 2022 11:20 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: Converting Spool files to PDF Gadi, xmitip (a

Re: Converting Spool files to PDF

Gadi, xmitip (a freeware) can convert spool files to PDF. ITschak *| **Itschak Mugzach | Director | SecuriTeam Software **|** IronSphere Platform* *|* *Information Security Continuous Monitoring for Z/OS, zLinux and IBM I **| * *|* *Email**: i_mugz...@securiteam.co.il **|* *Mob**: +972 522

Converting Spool files to PDF

Hi, We're exploring converting SPOOL files to PDF files. The Spool file are currently printed on an Infoprint 4000 printer. They use many of the function of PSF, including PAGEDEF's, FORMDEF's, Overlays, Page Segments and various fonts. One option is to use Infoprint Server and AFP Print

Re: Some UNIX file usage questions

On 19/06/2022 1:33 am, Paul Gilmartin wrote: On Sat, 18 Jun 2022 09:51:45 -0700, Charles Mills wrote: ... I picture writing the started task in Rexx, so I would have to write to a DD name allocated to the UNIX file (either dynamically or with JCL), not with "native" C fopen(), fwrite(),

Re: Modernize Mainframe Applications for Hybrid Cloud with IBM and AWS

On 19/06/2022 5:23 am, Enzo D'Amato wrote: I also agree, but as a non-insider, I wanted to know what others were thinking. I also belive that in most cases, the effort spent trying to get off the mainframe would be better spent actually fixing the code running on it in the first place. Moving