L-date field to *mdy

There is no error code on the Move - you would normally use Test instead to
check for the validity of a date, but since you have an L-type field that
is not required.

This should be about right (not tested and columns not correct)

 C                       If                 DateFld <> *LoVal
 C                       Move       DateFld           MDYDate
 C                       Else
 C                       Move       *LoVal             MDYDate
 C                       EndIF

If you are at V4R2 or later,  you would define MDYDate as an L type in the
display DDS and use the MAPVAL keyword to map the field's LoVal (01/01/40)
to blanks.

If you are not yet on V4R2 then the definition of MDYDate should be an 8
char field and the code changes to:

 C                       If                 DateFld <> *LoVal
 C    *MDY       Move       DateFld           MDYDate
 C                       Else
 C                       Move       *Blanks           MDYDate
 C                       EndIF

 Not that this only works for dates in the range that an MDY field can
handle i.e. 01/01/40 to 12/31/39.  If you need to go outside this range
either use all four digits of the year on the display or play silly games
in the code to "lose" the century digits.



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