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  1.  Home
  2. RPG400-L
  3. July 2005

Re: Use of Triggers in RPG

Pitfalls?
- Don't count on the stats file being a 'legal' log.  Since ?anyone? can 
upddta on it, blast some records, and you'll never know.  If a legal log 
is your goal use journalling instead.
- It is common to keep the trigger program in the same library as the data 
for save/restore purposes.  While generally most people keep programs in a 
separate library from data.
- Test that the trigger works with the system default library list. 
Critical only if you want it to work regardless of the updates:
  . Traditional 5250 program
  . UPDDTA
  . Client/Server program
  . etc
  This might mean hardcoding some libraries in it.  Not the most popular 
option.

Sample code:
http://code.midrange.com/index.php?id=90c5ce2821

Rob Berendt

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