Use SPLIT to create two data sets that are subsets of the GFTAXTR output data set. One data set contains all the included data sets and the other data set contains all the excluded data sets. Using SPLIT maintains the structures of the SMF records, which you cannot do if you sub-divide the SMF input file yourself.

The two split data sets continue to be subsets of the original GFTAXTR output data set. You cannot recombine the subsets.

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