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Jeff:

<snip>
I just encountered a line of code I have never seen before and can't
figure out exactly what it is doing.

C                   EVAL      *INU1 = DETSTY = '1'
</snip>

What you are seeing is a Boolean expression.  The line of code is not
setting both values to '1' (*ON).  It is only setting the indicator
*INU1 to *ON if the statement DETSTY = '1' is true.  An equivalent but
slightly clearer statement would be:

C                   EVAL      *INU1 = (DETSTY = '1')

I'm not sure when this became valid in RPGLE, but would guess at least
V5.  I like to use it when processing SQL statements during a
fetch-loop:
        eof-this-file = (sqlstt <> *zeros);

The field eof-this-file is defined as an indicator (type N) and is
turned *ON when field sqlstt is some value other than zeros.

Hope this helps,
--Bruce Guetzkow



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