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Charles Wilt wrote:
Short answer is you can't do it. RPG treats 1 character fields
different than indicators and you can't define a indicator field in a
file.

That's true, but the only part that won't work is the part where you code "if MyFlag;". If you change it to "if MyFlag = *ON", it'll work just fine.

D x s 10i 0 inz(14)
D MyFlag s 1a
/free

myFlag = ( x = 14 );
... write to file ...

... then later, read MyFlag from file, and ...

if MyFlag = *on;
do stuff
else;
don't do stuff
endif;

So the only thing you have to add above and beyond coding exactly what David asked for is the "= *on". Is that really a show-stopper?

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