> -----Original Message-----
> From: IBM Mainframe Discussion List
> [mailto:[email protected]] On Behalf Of Baraniecki, Ray
> Sent: Tuesday, August 11, 2009 8:53 AM
> To: [email protected]
> Subject: Clist Quest
>
> I ran across the following IF statement in a Clist that I am
> working on. The statement itself is understandable, it's the
> period usage that I don't understand. Can anyone shed some
> light on this?
>
> IF .&ITEMS < .5 THEN DO
>
>
> Thanks,
>
>
> Ray Baraniecki
suppose the line were:
IF &ITEMS < 5 THEN DO
What if &ITEMS is null ('')? Without the periods, the CLIST intepreter would
see the line:
IF < 5 THEN DO
which it could not handle (syntax error). So the periods are there just to make
the line syntactically correct in the case where &ITEMS is null.
--
John McKown
Systems Engineer IV
IT
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