Re: How to insert records using EXECIO
In [EMAIL PROTECTED], on 10/19/2008 at 12:07 PM, Scott Ford [EMAIL PROTECTED] said: I thought I remembered you could insert records... And elsewhere I thought that you could continue a line after an operator, without an explicit continuation character :-( They say that memory is the second thing to go - I can't remember the first. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see http://patriot.net/~shmuel/resume/brief.html We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) -- 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
Re: How to insert records using EXECIO
Shmuel... Hair boy Scott Ford Senior Systems Engineer [p] 678.266.3399 x304[m] 609-346-0399 identityforge.com This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, please notify the sender immediately or let us know at [EMAIL PROTECTED] or [EMAIL PROTECTED], and then delete the original. Any other use of the email by you is prohibited. -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Shmuel Metz (Seymour J.) Sent: Wednesday, October 22, 2008 7:29 PM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO In [EMAIL PROTECTED], on 10/19/2008 at 12:07 PM, Scott Ford [EMAIL PROTECTED] said: I thought I remembered you could insert records... And elsewhere I thought that you could continue a line after an operator, without an explicit continuation character :-( They say that memory is the second thing to go - I can't remember the first. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see http://patriot.net/~shmuel/resume/brief.html We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) -- 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 -- 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
Re: How to insert records using EXECIO
--- Shmuel .. I thought I remembered you could insert records...I tried it and showed some code here...but obviously my old memory is failing. I looked it up and even the TSO/Rexx manuals say...append or update in place , but no word of insert.. Scott Ford Senior Systems Engineer [p] 678.266.3399 x304[m] 609-346-0399 identityforge.com This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, please notify the sender immediately or let us know at [EMAIL PROTECTED] or [EMAIL PROTECTED], and then delete the original. Any other use of the email by you is prohibited. -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Shmuel Metz (Seymour J.) Sent: Saturday, October 18, 2008 10:39 PM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO In [EMAIL PROTECTED], on 10/16/2008 at 09:11 PM, Scott Ford [EMAIL PROTECTED] said: --- Gil...here u go That code does not insert records, it appends them. Nobody claimed that you couldn't append. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see http://patriot.net/~shmuel/resume/brief.html We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) -- 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 -- 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
Re: How to insert records using EXECIO
On Thu, 16 Oct 2008 21:17:05 -0400, Scott Ford wrote: See this Share paper... http://shareew.prod.web.sba.com/client_files/callpapers/attach/SHARE_in_San_Jose/S8343WS150114.pdf Ah, the dreaded Rexx Stream I/O Function Package; I've read about it. This is worse than disappointing; it's dismaying. Conway's Law at it's most pernicious. There's the above function package, then there's Rexx Stream I/O for z/OS Unix Rexx, originally a function package; now integrated into the z/OS base; both from IBM. The former runs only under TSO/E, and processes only legacy data sets. The latter runs only under z/OS Unix and processes only z/OS Unix files. Why can't IBM get their act together and produce a single stream I/O facility, integrated with the z/OS base, operational under all of z/OS Unix, TSO/E, and IRXJCL? And while they're at it, implement the customary Rexx facility missing from both, SIGNAL ON NOTREADY? -- 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
Re: How to insert records using EXECIO
Gil amen brother...I loved Open Source Open Object Rexx.. But it took independent developers to do the job...IBM used to listen to us the customers... Scott Ford Senior Systems Engineer [p] 678.266.3399 x304[m] 609-346-0399 identityforge.com This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, please notify the sender immediately or let us know at [EMAIL PROTECTED] or [EMAIL PROTECTED], and then delete the original. Any other use of the email by you is prohibited. -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Paul Gilmartin Sent: Saturday, October 18, 2008 10:08 AM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO On Thu, 16 Oct 2008 21:17:05 -0400, Scott Ford wrote: See this Share paper... http://shareew.prod.web.sba.com/client_files/callpapers/attach/SHARE_in_San_ Jose/S8343WS150114.pdf Ah, the dreaded Rexx Stream I/O Function Package; I've read about it. This is worse than disappointing; it's dismaying. Conway's Law at it's most pernicious. There's the above function package, then there's Rexx Stream I/O for z/OS Unix Rexx, originally a function package; now integrated into the z/OS base; both from IBM. The former runs only under TSO/E, and processes only legacy data sets. The latter runs only under z/OS Unix and processes only z/OS Unix files. Why can't IBM get their act together and produce a single stream I/O facility, integrated with the z/OS base, operational under all of z/OS Unix, TSO/E, and IRXJCL? And while they're at it, implement the customary Rexx facility missing from both, SIGNAL ON NOTREADY? -- 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 -- 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
Re: How to insert records using EXECIO
In [EMAIL PROTECTED], on 10/16/2008 at 06:22 AM, P.Sabarish Kannan [EMAIL PROTECTED] said: I have a requirement to insert some records in the beginning of a file where already some lines are existing . You can't; you need to rewrite the entire file. For classical sequential files I recommend writing a new file rather than writing on top of the old file. That way, if something happens in the middle you haven't lost your data. For Unix files that shouldn't be necessary. It's too bad that IBM killed TSS. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see http://patriot.net/~shmuel/resume/brief.html We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) -- 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
Re: How to insert records using EXECIO
In [EMAIL PROTECTED], on 10/16/2008 at 02:03 PM, [EMAIL PROTECTED] said: I wonder - Why is it not possible to add records to the beginning of a data set? Wouldn't it be possible for a sufficiently clever program to place the inserted records into a newly allocated area on disk, and then modify the VTOC to point to that new area first and the old first area next? FSVO clever. It's clever in the sense that crashing two planes and tunning a third one into power lines is brilliant flying. It may impress the groupies but it's not professional and it's not safe. OTOH, if you do it in a sandbox and don't put your enterprise at risk, it might be a fun training exercise. But don't try it at home. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see http://patriot.net/~shmuel/resume/brief.html We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) -- 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
Re: How to insert records using EXECIO
In [EMAIL PROTECTED], on 10/16/2008 at 09:11 PM, Scott Ford [EMAIL PROTECTED] said: --- Gil...here u go That code does not insert records, it appends them. Nobody claimed that you couldn't append. -- Shmuel (Seymour J.) Metz, SysProg and JOAT ISO position; see http://patriot.net/~shmuel/resume/brief.html We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) -- 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
Re: How to insert records using EXECIO
Its alreqdy 8:30am here but it might still be too early to understand your sample. The result shown indicates that you implemented an append, which of course is equal to insert after last record. Not what the OP wanted. But why are you reading the data set in first? ALLOC with MOD followed by EXECIO DISKW accomplishes the same. I don't understand what the do loop is for. -- Peter Hunkeler CREDIT SUISSE -- 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
Re: How to insert records using EXECIO
It was an example for Gil and I also included a url for the actual execio diskru ..from IBM ... Scott Ford Senior Systems Engineer [p] 678.266.3399 x304[m] 609-346-0399 identityforge.com This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, please notify the sender immediately or let us know at [EMAIL PROTECTED] or [EMAIL PROTECTED], and then delete the original. Any other use of the email by you is prohibited. -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Hunkeler Peter (KIUK 3) Sent: Friday, October 17, 2008 2:35 AM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO Its alreqdy 8:30am here but it might still be too early to understand your sample. The result shown indicates that you implemented an append, which of course is equal to insert after last record. Not what the OP wanted. But why are you reading the data set in first? ALLOC with MOD followed by EXECIO DISKW accomplishes the same. I don't understand what the do loop is for. -- Peter Hunkeler CREDIT SUISSE -- 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 -- 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
FW: How to insert records using EXECIO
Peter, See below Scott Ford Senior Systems Engineer [p] 678.266.3399 x304[m] 609-346-0399 identityforge.com This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, please notify the sender immediately or let us know at [EMAIL PROTECTED] or [EMAIL PROTECTED], and then delete the original. Any other use of the email by you is prohibited. -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Scott Ford Sent: Thursday, October 16, 2008 9:17 PM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO Gil, See this Share paper... http://shareew.prod.web.sba.com/client_files/callpapers/attach/SHARE_in_San_ Jose/S8343WS150114.pdf Scott Ford Senior Systems Engineer [p] 678.266.3399 x304[m] 609-346-0399 identityforge.com This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, please notify the sender immediately or let us know at [EMAIL PROTECTED] or [EMAIL PROTECTED], and then delete the original. Any other use of the email by you is prohibited. -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Paul Gilmartin Sent: Thursday, October 16, 2008 8:05 PM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO On Thu, 16 Oct 2008 18:53:48 -0400, Scott Ford wrote: I understand what you said, my comments are that an insert was also very doable in rexx..no more no less. I'm intrigued. Can you point us to some sample code? or is this just the copy-append-rename already posted a couple times in this thread? -- 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 -- 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 -- 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
Re: How to insert records using EXECIO
Scott, I thought you wanted to demonstrate how to insert records at the beginning of a file. I must have misunderstood. -- Peter Hunkeler CREDIT SUISSE -- 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
Re: How to insert records using EXECIO
On Fri, 17 Oct 2008 08:35:28 +0200, Hunkeler Peter (KIUK 3) wrote: Its alreqdy 8:30am here but it might still be too early to understand your sample. The result shown indicates I didn't understand it last night. that you implemented an append, which of course is equal to insert after last record. Not what the OP wanted. But why are you reading the data set in first? ALLOC with MOD followed by EXECIO DISKW accomplishes the same. I don't understand what the do loop is for. I don't understand what the parse instruction inside the unnecessary do loop is for. I was disappointed. I had envisioned something like what a colleague told me long ago. As an undergraduate, he had learned on a Scientific Data Systems (later XEROX) Sigma system. He explained that program source files, necessarily line-numbered, were stored in something like a VSAM KSDS file, with the line numbers as keys. So it was possible to update, insert, and delete records in place. Of course, this behavior is hard to distinguish from an editor's reading the entire DSORG=PS file into main storage, updating it in the buffer, and rewriting it. -- 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
Re: How to insert records using EXECIO
On 16 Oct 2008 14:06:57 -0700, [EMAIL PROTECTED] wrote: I wonder - Why is it not possible to add records to the beginning of a data set? Wouldn't it be possible for a sufficiently clever program to place the inserted records into a newly allocated area on disk, and then modify the VTOC to point to that new area first and the old first area next? It might require rewriting a bunch of control blocks, and probably wouldn't work for some kinds of data sets (FBS comes to mind), but isn't it theoretically possible? That's why we have linked lists, for occasions where this kind of overhead is worth while. I've used relative files for the same kind of need, although these days databases have taken over (which do all that and more). There are trade-offs though. That kind of processing requires significant overhead that slows down processing and is less reliable. It's easier and safer to write a new copy of the file with the inserted records in it. -- 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
Re: How to insert records using EXECIO
Peter, Did you see the url I sent you... Scott Ford Senior Systems Engineer [p] 678.266.3399 x304[m] 609-346-0399 identityforge.com This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, please notify the sender immediately or let us know at [EMAIL PROTECTED] or [EMAIL PROTECTED], and then delete the original. Any other use of the email by you is prohibited. -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Hunkeler Peter (KIUK 3) Sent: Friday, October 17, 2008 8:14 AM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO Scott, I thought you wanted to demonstrate how to insert records at the beginning of a file. I must have misunderstood. -- Peter Hunkeler CREDIT SUISSE -- 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 -- 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
How to insert records using EXECIO
Hi I have a requirement to insert some records in the beginning of a file where already some lines are existing . i tried using DISKW using MOD , but they are appending to the end. How do we insert in the beginning? I am using REXX for this program. Thanks in advance Sabarish -- 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
Re: How to insert records using EXECIO
You can read the whole file into a stem variable, put the lines you want to insert into a stack, and then loop though the first stem variable to append the values to the stack and then write the file back. /* rexx */ ADDRESS TSO ALLOC FI(TEMPNAME) DSN(your_file_name) SHR 'EXECIO * DISKR TEMPNAME (STEM CARD. FINIS' Do y=1 to 3 outcard.y = your_new_records End Do x = 1 to card.0 Y=y+1 outcard.y=card.x End Push '' 'EXECIO 'y' DISKW TEMPNAME (stem outcard. FINIS' Jon L. Veilleux [EMAIL PROTECTED] (860) 636-2683 -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of P.Sabarish Kannan Sent: Thursday, October 16, 2008 7:22 AM To: IBM-MAIN@BAMA.UA.EDU Subject: How to insert records using EXECIO Hi I have a requirement to insert some records in the beginning of a file where already some lines are existing . i tried using DISKW using MOD , but they are appending to the end. How do we insert in the beginning? I am using REXX for this program. Thanks in advance Sabarish -- 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 This e-mail may contain confidential or privileged information. If you think you have received this e-mail in error, please advise the sender by reply e-mail and then delete this e-mail immediately. Thank you. Aetna -- 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
Re: How to insert records using EXECIO
On Thu, 16 Oct 2008 06:22:27 -0500, P.Sabarish Kannan [EMAIL PROTECTED] wrote: I have a requirement to insert some records in the beginning of a file where already some lines are existing . i tried using DISKW using MOD , but they are appending to the end. How do we insert in the beginning? I am using REXX for this program. As far as I know you can not insert records into an existing file using EXECIO. You can append to the end, as you noticed. I would write the new records into a new file and then copy the existing file and append its records to that new file. After that, the exec could then delete the existing file and rename the new one to the old name if needed. There is an unsafe alternative: you could read all of the existing data into REXX variables, then write the new records to the beginning of the existing file, and then write the data from the variables after that new data. However, if an error occurs before you finish the writing then you will have lost the data in your file. -- Walt Farrell -- 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
Re: How to insert records using EXECIO
I have a requirement to insert some records in the beginning of a file where already some lines are existing . i tried using DISKW using MOD, but they are appending to the end. How do we insert in the beginning? I am using REXX for this program. There is no direct way to insert data into a sequential data set, neither at the beginning nor inbetween. You need to re-write the dataset with all the new and current records in the desired sequence. If the dataset is not too big, you can read it into storage using EXECIO then write everything back out with multiple EXEXIOs. You can also use one of various ways to concatenate the input datasets and copy them into a new output dataset. -- Peter Hunkeler Credit Suisse -- 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
Re: How to insert records using EXECIO
On Thu, 16 Oct 2008 07:49:45 -0400, Veilleux, Jon L wrote: You can read the whole file into a stem variable, ... I feel old. You really ought to have a fallback mechanism in case can fails. -- 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
Re: How to insert records using EXECIO
Actually, I remember installing Amdahl SP Assist so that our machines could have more than 16MB of real storage. Times have changed.. Jon L. Veilleux [EMAIL PROTECTED] (860) 636-2683 -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Paul Gilmartin Sent: Thursday, October 16, 2008 9:19 AM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO On Thu, 16 Oct 2008 07:49:45 -0400, Veilleux, Jon L wrote: You can read the whole file into a stem variable, ... I feel old. You really ought to have a fallback mechanism in case can fails. -- 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 This e-mail may contain confidential or privileged information. If you think you have received this e-mail in error, please advise the sender by reply e-mail and then delete this e-mail immediately. Thank you. Aetna -- 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
Re: How to insert records using EXECIO
On Thu, 16 Oct 2008 06:53:15 -0500, Walt Farrell wrote: I would write the new records into a new file and then copy the existing file and append its records to that new file. After that, the exec could then delete the existing file and rename the new one to the old name if needed. And I'll recommend z/OS Unix files. You can omit the delete, and the POSIX rename guarantees that no other process will observe a window during which the file doesn't exist, and there's no need for an ENQ with the possible lockout. (Might the same be true with PDSE members?) There is an unsafe alternative: you could read all of the existing data into REXX variables, then write the new records to the beginning of the existing file, and then write the data from the variables after that new data. However, if an error occurs before you finish the writing then you will have lost the data in your file. And it might actually be poorer performance. Note that this is effectively copying the original file to the page data set, then the page data set back to the new file -- twice the disk I/O. -- 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
Re: How to insert records using EXECIO
On Thu, 16 Oct 2008 09:25:51 -0400, Veilleux, Jon L wrote: Actually, I remember installing Amdahl SP Assist so that our machines could have more than 16MB of real storage. Times have changed.. Can Rexx keep stem variables above the bar nowadays? -- 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
Re: How to insert records using EXECIO
You are right. You should always have a back up plan. I was answering his basic question not thinking about preventing disasters. That being said, if you really need to protect the file maybe REXX EXECIO isn't the best solution Jon Jon L. Veilleux [EMAIL PROTECTED] (860) 636-2683 -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Paul Gilmartin Sent: Thursday, October 16, 2008 9:19 AM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO On Thu, 16 Oct 2008 07:49:45 -0400, Veilleux, Jon L wrote: You can read the whole file into a stem variable, ... I feel old. You really ought to have a fallback mechanism in case can fails. -- 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 This e-mail may contain confidential or privileged information. If you think you have received this e-mail in error, please advise the sender by reply e-mail and then delete this e-mail immediately. Thank you. Aetna -- 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
Re: How to insert records using EXECIO
Depending on the number of records in the input file, EXECIO may not be the most efficient way to do this. But you could create a new file with the new lines in it and then use something like IEBGENER later in the REXX to mod the data from the original file into the new file. The reason to do it this way is to protect your original file from being corrupted should there be a failure of some type (x37, 0Cx, etc). Mod will normally add lines to the end of a file not to a beginning of a file. Lizette Hi I have a requirement to insert some records in the beginning of a file where already some lines are existing . i tried using DISKW using MOD , but they are appending to the end. How do we insert in the beginning? I am using REXX for this program. -- 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
Re: How to insert records using EXECIO
On Thu, 16 Oct 2008 13:53:47 +0200, Hunkeler Peter (KIUK 3) [EMAIL PROTECTED] wrote: I have a requirement to insert some records in the beginning of a file where already some lines are existing . i tried using DISKW using MOD, but they are appending to the end. How do we insert in the beginning? I am using REXX for this program. There is no direct way to insert data into a sequential data set, neither at the beginning nor inbetween. You need to re-write the dataset with all the new and current records in the desired sequence. ... Peter came close to saying this, but I think it's worth highlighting. This restriction has nothing to do with REXX; it's just the way processing of sequential datasets works. Regarding MOD, last I checked there was no MOD option to EXECIO (and I wouldn't expect it there) so I assume the origonal poster was refering to DISP=MOD or MOD on a TSO ALLOCATE command. In those contexts MOD implies Add to the end of a dataset. In the JCL manual it clearly states that MOD implies either The data set exists and records are to be added to the end of it. The data set must be sequential. or A new data set is to be created. HELP for the ALLOCATE command is a lot less clear: ADDITIONS ARE TO BE MADE TO DATA SET Pat O'Keefe -- 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
Re: How to insert records using EXECIO
Patrick, I have been updating in place with Execio in Rexx. The DISP=MOD Is correct and finding the record you want to update or insert or delete is also part of the formula. Scott Ford Senior Systems Engineer [p] 678.266.3399 x304[m] 609-346-0399 identityforge.com This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, please notify the sender immediately or let us know at [EMAIL PROTECTED] or [EMAIL PROTECTED], and then delete the original. Any other use of the email by you is prohibited. -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Patrick O'Keefe Sent: Thursday, October 16, 2008 3:25 PM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO On Thu, 16 Oct 2008 13:53:47 +0200, Hunkeler Peter (KIUK 3) [EMAIL PROTECTED] wrote: I have a requirement to insert some records in the beginning of a file where already some lines are existing . i tried using DISKW using MOD, but they are appending to the end. How do we insert in the beginning? I am using REXX for this program. There is no direct way to insert data into a sequential data set, neither at the beginning nor inbetween. You need to re-write the dataset with all the new and current records in the desired sequence. ... Peter came close to saying this, but I think it's worth highlighting. This restriction has nothing to do with REXX; it's just the way processing of sequential datasets works. Regarding MOD, last I checked there was no MOD option to EXECIO (and I wouldn't expect it there) so I assume the origonal poster was refering to DISP=MOD or MOD on a TSO ALLOCATE command. In those contexts MOD implies Add to the end of a dataset. In the JCL manual it clearly states that MOD implies either The data set exists and records are to be added to the end of it. The data set must be sequential. or A new data set is to be created. HELP for the ALLOCATE command is a lot less clear: ADDITIONS ARE TO BE MADE TO DATA SET Pat O'Keefe -- 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 -- 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
Re: How to insert records using EXECIO
I wonder - Why is it not possible to add records to the beginning of a data set? Wouldn't it be possible for a sufficiently clever program to place the inserted records into a newly allocated area on disk, and then modify the VTOC to point to that new area first and the old first area next? It might require rewriting a bunch of control blocks, and probably wouldn't work for some kinds of data sets (FBS comes to mind), but isn't it theoretically possible? -- Jack Hamilton Management Information Analysis - Analytic Information Services Kaiser Foundation Health Plan, Inc. 1950 Franklin Street, Oakland, California 94612 +1 510 987-1556 (KP tieline 8-427-1556) NOTE: This email document and attachments are covered by CA Evidence Code §1157 and CA Health and Safety Code §1370. NOTICE TO RECIPIENT: If you are not the intended recipient of this e-mail, you are prohibited from sharing, copying, or otherwise using or disclosing its contents. If you have received this e-mail in error, please notify the sender immediately by reply e-mail and permanently delete this e-mail and any attachments without reading, forwarding or saving them. Thank you. IBM Mainframe Discussion List IBM-MAIN@BAMA.UA.EDU wrote on 10/16/2008 12:24:56 PM: On Thu, 16 Oct 2008 13:53:47 +0200, Hunkeler Peter (KIUK 3) [EMAIL PROTECTED] wrote: I have a requirement to insert some records in the beginning of a file where already some lines are existing . i tried using DISKW using MOD, but they are appending to the end. How do we insert in the beginning? I am using REXX for this program. There is no direct way to insert data into a sequential data set, neither at the beginning nor inbetween. You need to re-write the dataset with all the new and current records in the desired sequence. ... Peter came close to saying this, but I think it's worth highlighting. This restriction has nothing to do with REXX; it's just the way processing of sequential datasets works. Regarding MOD, last I checked there was no MOD option to EXECIO (and I wouldn't expect it there) so I assume the origonal poster was refering to DISP=MOD or MOD on a TSO ALLOCATE command. In those contexts MOD implies Add to the end of a dataset. In the JCL manual it clearly states that MOD implies either The data set exists and records are to be added to the end of it. The data set must be sequential. or A new data set is to be created. HELP for the ALLOCATE command is a lot less clear: ADDITIONS ARE TO BE MADE TO DATA SET Pat O'Keefe -- 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 -- 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
Re: How to insert records using EXECIO
On Thu, 16 Oct 2008 16:24:14 -0400, Scott Ford [EMAIL PROTECTED] wrote: Patrick, I have been updating in place with Execio in Rexx. ... I didn't mean to imply you couldn't update in place. That's a lot different than inserting. Pat O'Keefe -- 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
Re: How to insert records using EXECIO
Patrick, I understand what you said, my comments are that an insert was also very doable in rexx..no more no less. Scott Ford Senior Systems Engineer [p] 678.266.3399 x304[m] 609-346-0399 identityforge.com This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, please notify the sender immediately or let us know at [EMAIL PROTECTED] or [EMAIL PROTECTED], and then delete the original. Any other use of the email by you is prohibited. -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Patrick O'Keefe Sent: Thursday, October 16, 2008 6:42 PM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO On Thu, 16 Oct 2008 16:24:14 -0400, Scott Ford [EMAIL PROTECTED] wrote: Patrick, I have been updating in place with Execio in Rexx. ... I didn't mean to imply you couldn't update in place. That's a lot different than inserting. Pat O'Keefe -- 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 -- 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
Re: How to insert records using EXECIO
Hi, ... and after 15 records added this way you'll get an x37 error, because your dataset have more than 16 extents. [EMAIL PROTECTED] schrieb: I wonder - Why is it not possible to add records to the beginning of a data set? Wouldn't it be possible for a sufficiently clever program to place the inserted records into a newly allocated area on disk, and then modify the VTOC to point to that new area first and the old first area next? It might require rewriting a bunch of control blocks, and probably wouldn't work for some kinds of data sets (FBS comes to mind), but isn't it theoretically possible? -- Jack Hamilton Management Information Analysis - Analytic Information Services Kaiser Foundation Health Plan, Inc. 1950 Franklin Street, Oakland, California 94612 +1 510 987-1556 (KP tieline 8-427-1556) -- ___ Freundliche Gruesse / Kind regards Dipl.Math. Juergen Kehr, IT Schulung Beratung, IT Education + Consulting Tel. +49-561-9528788 Fax +49-561-9528789 Mobil +49-172-5129389 ICQ 292-318-696 (JKehr) mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] ___ -- 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
Re: How to insert records using EXECIO
[EMAIL PROTECTED] wrote: I wonder - Why is it not possible to add records to the beginning of a data set? Wouldn't it be possible for a sufficiently clever program to place the inserted records into a newly allocated area on disk, and then modify the VTOC to point to that new area first and the old first area next? It might require rewriting a bunch of control blocks, and probably wouldn't work for some kinds of data sets (FBS comes to mind), but isn't it theoretically possible? I'm speculating, but sequential files (QSAM, BSAM) were designed to be as device independent as possible. While your proposal would work a few times for a DASD file, it would not work on tape. Furthermore, while there may be a business case for inserting records into a file, the specific case of doing so only at the beginning is pretty rare, and wouldn't justify the expense of implementation. Gerhard Postpischil Bradford, VT -- 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
Re: How to insert records using EXECIO
On Thu, 16 Oct 2008 18:53:48 -0400, Scott Ford wrote: I understand what you said, my comments are that an insert was also very doable in rexx..no more no less. I'm intrigued. Can you point us to some sample code? or is this just the copy-append-rename already posted a couple times in this thread? -- 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
Re: How to insert records using EXECIO
I will put together a sample and post it, including Input file, exec clist and output... Scott Ford Senior Systems Engineer [p] 678.266.3399 x304[m] 609-346-0399 identityforge.com This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, please notify the sender immediately or let us know at [EMAIL PROTECTED] or [EMAIL PROTECTED], and then delete the original. Any other use of the email by you is prohibited. -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Paul Gilmartin Sent: Thursday, October 16, 2008 8:05 PM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO On Thu, 16 Oct 2008 18:53:48 -0400, Scott Ford wrote: I understand what you said, my comments are that an insert was also very doable in rexx..no more no less. I'm intrigued. Can you point us to some sample code? or is this just the copy-append-rename already posted a couple times in this thread? -- 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 -- 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
Re: How to insert records using EXECIO
--- Gil...here u go before add of records * BROWSESFORD.TEST.FILELine Col 001 080 * Top of Data ** line1 line2 line3 line4 line5 line6 line7 Bottom of Data /* Rexx*/ /* */ /* Clist: REXXINS */ /* Author: Scott Ford, IDF */ /* Date : 10-16-2008 */ /* Version: 1.0 */ /* Modification: 1.0 */ /* Release: 1.0 */ /* Narative: Input flat file and insert records */ /*---*/ reci = 0; j = 1; call alloc_input; call read_input; call insert_input; exit alloc_input: address TSO 'PROFILE NOPREFIX' 'ALLOC DDN(FILEIN) MOD DSN(SFORD.TEST.FILE)' if rc = 0 then do; say 'REXXINS -- File allocated ok - at 'date(u)' 'time() end; return; read_input: 'execio * DISKR FILEIN (STEM A. FINIS' if rc = 0 then do; say 'REXXINS -- File read ok - at 'date(u)' 'time() end; return; insert_input: B. = ''; j = 1; do i=1 to A.0; if substr(A.i,1,5) = 'line3' then do; parse var A.i record reci = i B.j = 'line3a' j = j + 1 B.j = 'line3b' 'execio '2' DISKW FILEIN ( STEM B. FINIS' say rc end; end; return; * after addition of records * BROWSESFORD.TEST.FILELine Col 001 080 * Top of Data ** line1 line2 line3 line4 line5 line6 line7 line3a line3b Bottom of Data Scott Ford Senior Systems Engineer [p] 678.266.3399 x304[m] 609-346-0399 identityforge.com This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, please notify the sender immediately or let us know at [EMAIL PROTECTED] or [EMAIL PROTECTED], and then delete the original. Any other use of the email by you is prohibited. -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Paul Gilmartin Sent: Thursday, October 16, 2008 8:05 PM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO On Thu, 16 Oct 2008 18:53:48 -0400, Scott Ford wrote: I understand what you said, my comments are that an insert was also very doable in rexx..no more no less. I'm intrigued. Can you point us to some sample code? or is this just the copy-append-rename already posted a couple times in this thread? -- 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 -- 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
Re: How to insert records using EXECIO
Gil, See this Share paper... http://shareew.prod.web.sba.com/client_files/callpapers/attach/SHARE_in_San_ Jose/S8343WS150114.pdf Scott Ford Senior Systems Engineer [p] 678.266.3399 x304[m] 609-346-0399 identityforge.com This message is for the designated recipient only and may contain privileged, proprietary, or otherwise private information. If you have received it in error, please notify the sender immediately or let us know at [EMAIL PROTECTED] or [EMAIL PROTECTED], and then delete the original. Any other use of the email by you is prohibited. -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Paul Gilmartin Sent: Thursday, October 16, 2008 8:05 PM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: How to insert records using EXECIO On Thu, 16 Oct 2008 18:53:48 -0400, Scott Ford wrote: I understand what you said, my comments are that an insert was also very doable in rexx..no more no less. I'm intrigued. Can you point us to some sample code? or is this just the copy-append-rename already posted a couple times in this thread? -- 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 -- 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
