Dual Format

Our bank wants us to send them a file with all our check
information.  Their file layout is a dual file layout, with a
control record and a detail record (their program that
reads this is obviously a COBOL program since they
describe the length and such as PICTURE like 9(08)V99).

I am trying to decide the best way to do this.  I was hoping
to be able to get away with creating two files, one for the
header and one for the detail, then just copy them to one
file before I transmitted it, but now I see I am going to have
to create many header records.

I don't like the thought of back stepping and doing it S36 style
with file described files either.  I was thinking about a multi-format
logical, but there are not unique fields in the files to be able to
key them on.

I think I am going to have to open up the 2 files I created with DDS
just for the record layouts, then do some type of overlay to get the
record layout into the fixed length field of the un-DDSed file (the one
I will be writing too).

Can anyone think of a better way?  If not, could someone give me
an example of how to do what I am trying to do?  That is, over lay the
40 bytes of my DDS to another field.  The DDS is externally described,
so is not in my program itself.  I am dealing with a small number of
fields,
7 in each of the header and details.

Regards,

Jim Langston

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