Q

ICETOOL, SYNCTOOL utilities exclude mainframe subset files

Mainframe programmers can turn to ICETOOL and SYNCTOOL utilities to avoid writing a COBOL program when working with records.

I have a master sequential file, and a subset file of the master. Is there any common utility in IBM's OS/390 where I can generate an output whose record will be MASTER file -- SUBSET file, for example? I want to exclude those records that are present in the subset file. Can this be done without writing a COBOL program for the mainframe?

More on mainframe programming

Guide to mainframe utilities

Intro to COBOL

Working with a huge flat file

You should be able to do what you need with ICETOOL instead of writing a COBOL program. Check out IBM's DFSORT site for examples that use ICETOOL.

If you are using Syncsort, it has SYNCTOOL, which is similar to ICETOOL.

This was first published in June 2004

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