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I want to append a record in an existing ps file using rexx


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Digvijay Singh

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Joined: 20 Apr 2022
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PostPosted: Thu Dec 15, 2022 2:51 pm
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Hi All,

My requirement is : I have a ps file and it has 8 record and one record that is 5th record in file is stud_id in my rexx i want to use this stud_id and fetch student name and want to append this stuent name at the end of the same input file which we are reading.

I am able to fetch the stud_name from db2 into a variable now i want to add this stud-name at the end of the file this same file. How i can acchive this any hint or syntax would be great as i dnt carry much experties here in rexx.

Thanks
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Willy Jensen

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PostPosted: Thu Dec 15, 2022 3:40 pm
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Using EXECIO and the stack:

Code:
 "EXECIO * DISKR ddname (FINIS)" /* puts records on the stack */
 queue new-record
 "EXECIO" queued()" DISKW ddname (FINIS)" /* rewrite dataset from the stack */


or use a stem instead of the stack.
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Digvijay Singh

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PostPosted: Thu Dec 15, 2022 4:16 pm
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Hi

Thanks for reply.

I am using below syntax to write the data into new file

Code:
  outline.1 = prjval                         
 "EXECIO 1 DISKW DD02 (STEM outline.1 FINIS"
 return 0;                                   

but getting below error my outline.1 has right data
    >>>    "EXECSQL CLOSE C1"                         
 84 *-*  outline.1 = prjval                           
    >>>    "P0007809"                                 
 85 *-*  "EXECIO 1 DISKW DD02 (STEM outline.1 FINIS"   
    >>>    "EXECIO 1 DISKW DD02 (STEM outline.1 FINIS"
    +++ RC(-3) +++                                     
 86 *-*  return 0                                     
    >>>    "0"         
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Digvijay Singh

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PostPosted: Thu Dec 15, 2022 4:32 pm
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Also when i used your logic .

getting below erro

Code:
 86 *-*  queue prjval                                                       
     >>>    "P0007809"                                                       
  87 *-*  "EXECIO" queued()" DISKW dd01 (FINIS)" /* rewrite dataset from the 
     >>>    "EXECIO 2 DISKW dd01 (FINIS)"                                     
     +++ RC(-3) +++                                                           
  89 *-*  return 0                                                           
     >>>    "0"                                                               
J56500I COMMAND P0007809 NOT FOUND                                           
J56500I COMMAND P0007809
NOT FOUND
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Joerg.Findeisen

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PostPosted: Thu Dec 15, 2022 4:45 pm
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You probably are not in the right environment for EXECIO.
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Digvijay Singh

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PostPosted: Thu Dec 15, 2022 5:10 pm
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what it does mean ?

Do i need to include something in my code. I am sorry as I am still learning rexx.


Thanks for you reply
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Joerg.Findeisen

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PostPosted: Thu Dec 15, 2022 6:06 pm
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Are you having an address command somewhere before?
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Digvijay Singh

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PostPosted: Thu Dec 15, 2022 6:27 pm
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no i dnt have any address command
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Willy Jensen

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PostPosted: Thu Dec 15, 2022 6:57 pm
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Well, you must have changed the environment somewhere.
Verify by doing SAY ADDRESS()
To fix the problem, put ADDRESS TSO in front of the EXECIOs.
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Pedro

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PostPosted: Fri Dec 16, 2022 5:08 am
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Quote:
COMMAND P0007809 NOT FOUND

In your stack example, you had a syntax error in the EXECIO statement. It should not have the right paren. And because of that error, you leave something in the stack and rexx tries to process the stack after your exec ends. The stack does not have a valid TSO command, so you get the 'not found' message.
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Pedro

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PostPosted: Fri Dec 16, 2022 5:12 am
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In your earlier try, you are using a stem. In the code shown:
Code:
"EXECIO 1 DISKW DD02 (STEM outline.1 FINIS"

you should provide the name of the stem only (without the trailing '1').

This assumes that you allocated the DD02 file with DISP(MOD)
Code:
newrec.0 = 1
newrec.1 = new-record 
"EXECIO * DISKW DD02 (STEM newrec. FINIS"
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Willy Jensen

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PostPosted: Fri Dec 16, 2022 9:41 am
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A right paran in EXECIO is perfectly fine, I do it all the time.
I tried the following
Code:
 outline.1 = 'Just testing'                             
 "EXECIO 1 DISKW DD1 (STEM outline.1 FINIS)"   

it wrote 'OUTLINE.11' to the dataset. Clearly not what I intended, but did not cause a syntax error either.
I will maintain that the RC -3 is caused by a wrong environment, it must be TSO or CMD as far as I am aware.
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Joerg.Findeisen

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PostPosted: Fri Dec 16, 2022 2:03 pm
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There is that "EXECSQL CLOSE C1" thing inside your EXEC. Please do what Willy has suggested and add ADDRESS TSO before the EXECIO command.
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sergeyken

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Joined: 29 Apr 2008
Posts: 1650

PostPosted: Fri Dec 16, 2022 5:56 pm
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Willy Jensen wrote:
A right paran in EXECIO is perfectly fine, I do it all the time.
I tried the following
Code:
 outline.1 = 'Just testing'                             
 "EXECIO 1 DISKW DD1 (STEM outline.1 FINIS)"   

it wrote 'OUTLINE.11' to the dataset. Clearly not what I intended, but did not cause a syntax error either.
I will maintain that the RC -3 is caused by a wrong environment, it must be TSO or CMD as far as I am aware.

The option STEM in this example is using OUTLINE.1 as a stem name, not variable name. Since exactly 1 output record is requested, the (incorrect) "stem name" OUTLINE.1 is extended with the first number of element, e.g. number 1, producing OUTLINE.11 which value might be either string "OUTLINE.11", or empty string "", depending on the way the OUTLINE stem is defined - outside of the presented scope of code.

The correct way to specify a stem for output is:
Code:
 . . . . (STEM OUTLINE.


Please, RTFM carefully!!!
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Willy Jensen

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PostPosted: Fri Dec 16, 2022 6:52 pm
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I know, I was just pointing it out....
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Joerg.Findeisen

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PostPosted: Fri Dec 16, 2022 6:54 pm
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Well, lets see. I assume the EXECSQL establishes a DB2 environment without properly restoring the previous state.
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Digvijay Singh

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PostPosted: Wed Dec 28, 2022 3:57 pm
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Thank you, guys, ,


It worked there were syntax errors and i fixed it , and made my code lil bit clearer by calling para.

Thanks Again
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sergeyken

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PostPosted: Wed Dec 28, 2022 6:33 pm
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Digvijay Singh wrote:
Thank you, guys, ,


It worked there were syntax errors and i fixed it , and made my code lil bit clearer by calling para.

Thanks Again

There is no PARA in REXX; it is not COBOL.

REXX code may be divided into FUNCTIONS, and PROCEDURES.
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