Gil,

I had to look up "stable sort" as I hadn't heard the term.  Yes that is what 
EQUALS does in both DFSort and Syncsort.  FYI, I searched the Syncsort 
programmer's manual and it doesn't mention "stable sort" either.  :-)

Rex

-----Original Message-----
From: IBM Mainframe Discussion List <[email protected]> On Behalf Of 
Paul Gilmartin
Sent: Monday, August 28, 2023 10:36 AM
To: [email protected]
Subject: [EXTERNAL] Re: Syncsort > DFsort migration

On Mon, 28 Aug 2023 15:11:05 +0000, Sri h Kolusu wrote:
>
>EQUALS is the parm which comes into picture when your input has duplicates on 
>the key, and you want to retain the order of the duplicates.  OPTION EQUALS 
>specifies whether the original sequence of records that collate identically 
>for a sort or a merge should be preserved from input to output.
> 
Is this the behavior generally known in IT as a "stable" sort?  I find no 
mention of stable sort in the DFSORT  documentation.

--
gil

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