Earl, had a quick look at my toolboxes. Use the CSI (CatalogSearchInterface) 
described in "DFSMS Managing Catalogs" to get the information required. A few 
examples can be found in SYS1.SAMPLIB(IGG*). Another, more old fashioned method 
would be using the OBTAIN macro, Google will be your friend if needing a few 
examples.
Christian

-----Ursprüngliche Nachricht-----
Von: IBM Mainframe Discussion List [mailto:[email protected]] Im Auftrag 
von Christian Birr
Gesendet: Donnerstag, 20. März 2014 22:01
An: [email protected]
Betreff: AW: AW: DSNTYPE?

Well, I think they do, what I do(did) in some of my q&d Assembler routines, ask 
MVS and it'll tell you. I'll be back in office tomorrow night (CET+1) and have 
a look at my toolboxes. Eventually could you tell me exactly what you want to 
achieve?
Cheers, Christian
q&d -> quick & dirty 

-----Ursprüngliche Nachricht-----
Von: IBM Mainframe Discussion List [mailto:[email protected]] Im Auftrag 
von Earl Hodil
Gesendet: Donnerstag, 20. März 2014 19:46
An: [email protected]
Betreff: Re: AW: DSNTYPE?

Thanks Christian, but it's not quite what I'm looking for. What I guess 
I should ask is where does the information contained in the SYSDSSMS and 
SYSSEQDSNTYPE variables returned by the LISTDSI function in REXX come 
from? Or the corresponding information in the DATASET INFORMATION panel 
of ISPF? They both seem to produce similar results (although the ISPF 
panel seems to do it more consistently). I'm working on a REXX function 
that doesn't have the TSO dependency that LISTDSI has.

Earl

On 3/20/14, 12:02 PM, Christian Birr wrote:
> Hi Earl, have look at DS1DSORG at
>
> http://pic.dhe.ibm.com/infocenter/zos/v1r12/index.jsp?topic=%2Fcom.ibm.zos.r12.idas300%2Fdscbft.htm
>
> you have to scroll down a bit
> Cheers, Chistian
>
> -----Ursprüngliche Nachricht-----
> Von: IBM Mainframe Discussion List [mailto:[email protected]] Im 
> Auftrag von Earl Hodil
> Gesendet: Donnerstag, 20. März 2014 16:16
> An: [email protected]
> Betreff: DSNTYPE?
>
> Does anybody know where DSNTYPE is stored? I see bits and pieces in the
> format 1 DSCB, but I don't see a field that is like DSORG. Are the bits
> and pieces all you get? And if so, can someone point me to an example of
> how to decipher them?
>

-- 
Earl Hodil
Open Software Technologies

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