No, you only have to save the hash. Charles
-----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Paul Gilmartin Sent: Thursday, August 20, 2015 4:59 PM To: [email protected] Subject: Re: Ideas for hash of a sequential data set On Thu, 20 Aug 2015 14:09:48 -0700, Charles Mills wrote: >cmp requires both files, right? I suspect the problem here is "is the file >different today than what it was yesterday?" > If you haven't both files, the optimization of comparing only the VTOCs and the first several records requires that those be saved. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
