Hi KB,
CSI won't tell you anything about ALLOCATEd DDNAMES.

Regards,
David

On 2023-12-29 09:55, kekronbekron wrote:
There's a catalog search interface (CSI), and I think there's a sample REXX for 
using it in SAMPLIB.



On Friday, December 29th, 2023 at 20:17, Seymour J Metz <sme...@gmu.edu> wrote:


I need to check whether any of a list of datasets exists and whether any of a 
list of ddnames is allocated. I'd rather not trap and parse the output of 
LISTALC and LISTCAT, and I'd rather not call LISTDSI for each one. Is there a 
simple way to do that in REXX, or would it be better to write a small service 
routine in assembler?

I don't have a requirement to handle XTIOT.

--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
עַם יִשְׂרָאֵל חַי
נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר

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