Sue

Well, the easy way is to let FMP do the work for you	- via a valuelist.

Define a valuelist, "myList", to use values from related::x, include only related values starting from <parent>

Then define your field as Substitute ( ValueListItems ( Get ( FileName ) ; "myList" ) ; ¶ ; "," )

cheers

Tom

On 19 Apr 2011, at 18:03, Sue wrote:

> I have about 200,000 records sorted into 12,000 groups.
> 
> Each record has a value for x.
> 
> I need a comma separated list of all the x values in Group a (b,c,d...etc)
> 
> I tried this:
> 
> List (Related Record value x)
> which in one instance gives me this:
> 
> 8
> 8+
> 9
> 9+
> 10
> 10+
> 11
> 11+
> 12
> 9+
> 10
> 10+
> 11
> 11+
> 12
> 13
> 
> 
> then I calculate:
> 
> Substitute (List, paragraph symbol,",")
> 
> which gives me a result like this:
> 
> 8,8+,9,9+,10,10+,11,11+,12,9+,10,10+,11,11+,12,13
> 
> which is close to what I want.
> 
> BUT, what I really want is this x value list (in numerical order (or alphabetical as the case may be)) without any duplicate values--
> so the above should be:
> 
> 8,8+,9,9+,10,10+,11,11+,12,13
> 
> Other groups return lists that are far further from numerical or alphabetical order.  I think there must be a way to do this as Filemaker creates value lists based on relationships that don't show duplicate values and are sorted--but how do I create a field that mimics that?
> 
> Any suggestions?  
> 
> Directions to a web page that describes how to do this would be great if such a place exists.
> 
> Thanks very much!
> 
> Sue
>