RE: What's the error?

--- "Haas, Matt" <Matt.Haas@thomsonlearning.com> wrote:
> Dan,
> 
> If character 2048 is an apostrophe, you're telling 
> it to start scanning at character 2050. You need to 
> test nPos before your %scan to make sure it isn't 
> larger than the length of InString.

This is where it gets a little confusing to me.  I never get to 100, let alone 
2048.  If you
notice, the argument being passed to the procedure uses a "String" field (one 
array element) that
has a length of 100.  The String values are far less than 100 characters.  I do 
not have
experience with VARYING type fields.  Someone on this list provided the guts of 
the procedure I'm
using (Bob Cozzi???) and it worked fine until I had a situation where the last 
non-blank character
in the string is an apostrophe.  I suppose the %trim affects the size of the 
value being passed to
the procedure, but if I don't trim it, I'll get the same error anyway.

Hmmm.  I experimented a bit and found that if I concatenate a blank to InString 
at the beginning
of the procedure:
   c        Eval      InString = InString + ' '

and then replace the following Eval (just before the Return):
   c        Eval      InString = OneQ + InString + OneQ

with:
   c        Eval      InString = OneQ + %trimr( InString ) + OneQ

Everything works beautifully now.  I still don't have a great grasp of the 
varying field concept,
but I think I have an idea why it didn't work before and now it does, with the 
changes I made.

Thanks,
Dan

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