Dean,

You can use DFSORT to remove the duplicates and generate a single list of
unique tape numbers.

Example:

//STEP0100 EXEC PGM=SORT
//SYSOUT   DD SYSOUT=*
//SORTIN   DD DISP=SHR,DSN=Your pds(member01)
//         DD DISP=SHR,DSN=Your pds(member02)
//         DD DISP=SHR,DSN=Your pds(member03)
...
//         DD DISP=SHR,DSN=Your pds(member10)
//SORTOUT  DD SYSOUT=*
//SYSIN    DD *
  SORT FIELDS=(P,M,F,A)
   SUM FIELDS=NONE
/*
//* P = Position of the tape number field
//* M = Length of the tape number field
//* F = Format of the tape number fields (CH, ZD, BI, PD...)
//* A = Ascending sequence


Thanks,
Kolusu
DFSORT Development
IBM Corporation

IBM Mainframe Discussion List <[email protected]> wrote on
06/06/2018 07:58:28 AM:

> From: "Nai, Dean" <[email protected]>
> To: [email protected]
> Date: 06/06/2018 08:10 AM
> Subject: compares
> Sent by: IBM Mainframe Discussion List <[email protected]>
>
>
> >Howdy,
>
>     I have numerous lists of tape numbers that I need to compare so
> I can remove any duplicate and only keep them in one list. Any ISPF
> or other utilities for me to run the compares? I have 10 members
> with over 100 tape numbers in each. Thanks in advance for any
> suggestions.....Dean
>
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