CHANGE IN BEHAVIOUR OF mbx FILES

[Robert J.M. Edis]

G'day all

Has anyone experienced a change in the way PowerHouse handles mailbox files
between versions 600C and 710G2?

We are dealing with a screen using two MBX files, one to create 1 QUIZ run
and the other a list of parameters to pass to the QUIZ run.  Each MBX file
record is loaded using the following syntax:

LET rec80 OF jobstrm = parm value
PUT jobstrm RESET
LET rec80 OF work80 = value  (E.g. "EXECUTE comp:quizrpt.qzc"
PUT work80 RESET

After the MBX file records are finnished being created, the screen then runs
the QUIZ program as follows:

   RUN COMMAND "$DEFINE/USER SYS$INPUT JOBSTRM"
   RUN COMMAND "$QUIZ NOSTATISTICS NOLIST AUTO=WORK80" & 
               CLEAR SCREEN REFRESH SCREEN ;RESPONSE
   RUN COMMAND "$DEFINE/USER SYS$INPUT TT:"

Under 6.00C this logic worked fine.  Now it appears that each PUT overwrites
this existing line instead of appending.

This is a critical part of this PowerHouse system and the user can't perform
their normal work without it so if you have any ideas it would be greatly
appreciated.

The machine is a VAX 6610 running VMS 7.2 with 128MB RAM.
It doesn't seem to matter if the MBX files are declared as TEMPORARY or
PERMANENT.
If we comment out the RESET on each line we get the records in the files
created but the QUIZ run returns zero records.  We know there are records
matching the criteria.
If we use a COMMIT after the last PUT, the records are blown away.
If we use a CLOSE after the last PUT, QUIZ hangs.

Blue
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