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.
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