label label information to be added to the bdf

MERGDS 1 compound id code 1 (matches input archive file A)

2 compound id code 2 (matches input file with extension mer)

3 isomorph data set name¹ (12 characters)

4 supersede data set name on output archive file

super replace dataset name with that given in field 3

5 number of data set on bdf merto be merged with the archive file A

1 Must match a dataset name found in logical record ddef of bdf mer. It may also match a dataset name found in logical record ddef of the input archive bdf. If it does, then data corresponding to that name on the input archive bdf will be replaced by data on bdf mer. If it does not, then data from mer will be appended to the data already present on the input archive bdf.