> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On
> Behalf Of Reichman Joseph
> Sent: Monday, August 22, 2016 12:51 PM
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Limit on the number of concatenated datasets
> 
> We have here if anything large amounts of data. So there are a number of 
> files I must search
> thru.
> 
> After I allocate the datasets (I think probably dynamically)
> 
> I can do a GETDSAB  to get the TIOT entry for the ddname.
> 
> Then if I find what I am looking for I can use DCBTIOT (AL2) as an  index to 
> the TIOT
> 
> The TIOT  JFCB field should have entry for the dataset name

The TIOEJFCB field is only 3 bytes.  It does not contain the DSN.  It does 
contain a token that might be usable for locating the JFCB but I have no idea 
if it requires authorization.  RDJFCB seems a simpler approach.

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