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Need a Macro to compare datasets and store the output


 
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Anupam Nayak

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Joined: 17 Feb 2020
Posts: 1
Location: India

PostPosted: Mon Feb 17, 2020 4:45 pm
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Hi,

Can I write and run a macro on ISPF screen that can compare 2 PDS members and save the output in another PDS member, and do repeated compares? Please let me know if we have any other method to do the same.
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10695
Location: italy

PostPosted: Mon Feb 17, 2020 4:57 pm
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read the ISPF manuals about SUPERC capabilities
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daveporcelan

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Joined: 01 Dec 2006
Posts: 746
Location: Pennsylvania

PostPosted: Mon Feb 17, 2020 8:15 pm
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Here is a nugget for you to work with to get you started.

This is just the call to SUPERCE from a REXX exec.

You will need a loop for each member to wrap around this code.
This would be best as an internal subroutine.

Code:
/*  INVOKE 3.13 SUPERCE WITHOUT THE PANEL.            */

/* POPULATE SYSIN WITH COMPARE OPTIONS OF YOUR CHOICE */
"ALLOC FI(SYSIN) DA('SUPER.SYSIN.SEQ') SHR REUSE"

 SCEOLDFL = 'OLD.PDS('||MEMBER||')'
 SCENEWFL = 'NEW.PDS('||MEMBER||')'
"ALLOC FI(OLDDD) DA('"SCEOLDFL"') SHR REUSE"
"ALLOC FI(NEWDD) DA('"SCENEWFL"') SHR REUSE"

 SUPER_OUT = 'RESULTS.PDS('||MEMBER||')'
"ALLOC FI(OUTDD) DA('"SUPER_OUT"') SHR REUSE"

"ISPEXEC SELECT PGM(ISRSUPC) PARM(DELTAL,LINECMP,,)"

"FREE FI(SYSIN)"
"FREE FI(OLDDD)"
"FREE FI(NEWDD)"
"FREE FI(OUTDD)"

/* VIEW RESULTS IF YOU CHOOSE */
"ISPEXEC VIEW DATASET ("SUPER_OUT")"
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