Is the output of an IEBCOPY COPYMOD equal to the input? The results of loading 
them into storage are the same, but the won't have the same hash.


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3

________________________________________
From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
Paul Gilmartin [0000000433f07816-dmarc-requ...@listserv.ua.edu]
Sent: Tuesday, April 26, 2022 6:54 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Checksum of "legacy" load module?

On Tue, 26 Apr 2022 15:30:29 -0700, Charles Mills  wrote:
>
>Specifically what I am trying to do is answer the question "is load module X
>in PDS Y.Z on box A binary equal to load module X in PDS Y.Z on box B?"
>without copying and comparing. I suspect the BLKSIZEs are the same so that
>may make the task easier (or prevent false negatives).
>
I once suggested that a co-worker with a similar requirement compare
AMBLIST outputs.  AMBLIST?  She had a rapid "Aha!' moment"
displacements differed -- macro level inconsistecy.

Checksum of TSO TRANSMIT output?  Bind into zFS program objects
and cksum?

Regardless, timestamps and headers are apt to bite you.

Nostalgia:  I recall a Mac OS (ISV?) utility that compared two
APPLs and generated a patch file.

--
gil

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