Citation:
Update the trailer record with OUTFIL
IFTRAIL is a new OUTFIL option that allows you to update count and total values in an existing trailer (last)
record based on the current data records.
Various options of IFTRAIL allow you to identify the trailer record (TRLID), indicate the count and total values to
be updated in the trailer record (TRLUPD), and indicate if the first record is a header record (HD=YES).
IFTRAIL makes it easy to update count and total values in an existing trailer record when you add, delete or
modify data records.
DFSORT symbols can be used for fields and constants in TRLID. DFSORT symbols can be used for columns and
fields in TRLUPD
.