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You could use atoi() from the C function library which sounds like it would
work well for this case as long as you've validated the numeric string
first.  

In RPG, you could substring the numeric value out the entry field and put it
into a character field that has a zoned overlay, right justified by getting
the length of the numeric portion of the entry field value and substringing
it into the receiver field.  Say you have a four digit number going to a 9
digit field--then assign the substringed value to %substring(receiver: start
position: length of new value) where start position is always length of
receiver - length of new value + 1.

                    
> -----Original Message-----
> From: Jim Langston [mailto:jlangston@conexfreight.com]
> Sent: Monday, February 07, 2000 9:27 AM
> To: RPG400-L@midrange.com
> Subject: String to Numeric
> 
> 
> V3R7M0
> 
> I have a field I am allowing my users to put in a string value
> (container number, in the format XXXX999999) or a numeric
> value (invoice number, 999999).  I now have this variable that
> contains one or the other, but in either case, it is left justified.
> 
> So I either have:
> 'ABCD123456 '
> or
> '1234       '
> 
> Now I'm kinda stumped.  I can figure out if it is numeric or a
> container number by using the Check opcode.  But, once I
> know it's numeric, just how do I convert this thing to a numeric
> value?
> 
> I tried a Data Structure, but no success.   To map successfully,
> I think the value would have to be like:
> '00000001234' and I'm not really sure how to get it there.  I know
> we have the DIGITS function in Query, but it doesn't work in RPG,
> and is going the wrong way anyway.
> 
> Anyone have any ideas?
> 
> I think I'm going to wind up building a string like 
> '000000000000001234'
> using
> '00000000000' + %TRIM(InputVal) and SUBSTRing it.
> 
> Regards,
> 
> Jim Langston
> 
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