Input file has number of records . when there a change in header (12), i need to write those records separately into GDG Is it possible to create GDG dynamically using SORT, Easytrive? 12 - header 13 ...

INPUT FILE: NAME AADHAR NUMBER MOBILE NUMBER OUTPUT FILE: NAME AADHAR NUMBER MOBILE NUMBER

So i have two files that i need to merge. File A contains the key. Im unsure how to do this using SORT in batch (JCL). I know I need to use joinkey or ifthen. Would anyone know a solution to this? An...