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  3. June 2009

Re: Allow repeated change.

Others have explained it quite well but down to the nuts and bolts of it's
use...
When you write a trigger program you are passed some parameters and one is
rather large. In that one are a couple of data structures. One is a
before image of the data and the other is an after image of the data.
RPGers can use an externally defined data structure of the file the
trigger is based on to define these data structures. If you say
ALWREPCHG(*YES) you can modify the after image and it will be passed back
to the system. Often useful for modifying fields like "who updated this
record last?" and "when?".

Rob Berendt

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