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.
Dig Deeper on IBM system z and mainframe systems
Related Q&A from Mark Zelden
When initial program load stalls out on a mainframe logical partition, the culprit is often consoles. Connectivity is one of many potential causes. Continue Reading
Programming expert Mark Zelden offers some coding help to a user trying to FTP files from the mainframe to a Linux OS. Continue Reading
Expert Mark Zelden tries to help a reader find out if his z/OS problem is a known vulnerability. When he can't find anything, he explains how to ... Continue Reading
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.