On Fri, 29 Oct 2021 01:43:48 +0000, Seymour J Metz wrote:

>I see the confusion. The only way to have a RECFM=V instream data set is if 
>the internal reader for the job was RECFM=V.
>
Indeed.  Suggested RFE:
Simply allocate the INTRDR with attributes same as the input file.

Strangely, LRECL is accepted on DD *.  It appears to have no effect.  (Verify
by experimenting with SYMBOLS=JCLONLY and extending a record.
I went to SR with this; REJ USER.)
RECFM is prohibited.

But empirically, I've found it more complicated:
o If no record image exceeds 80 bytes, SYSIN appears as FB,80
o If all record images are equal length, SYSIN appears as FB.
o Otherwise, if JES2 SYSIN appears as VB.

I've not found documentation of this; I may have submitted an RCF.

-- gil

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