Programing style

[John Craig]

Say we have a 10 digit number called tInt -   1234567890

repeat with i = length(tInt) - 3 to 1 step -3

We start at length(tInt) - 3 (position 7) and put a comma after the 
character at position 7
This gives us 1234567,890

The next iteration (-3) takes us to position 4 - put in another comma;
Now we have 1234,567,890

Same again, takes us to position 1;
Now we have 1,234,567,890

The last iteration takes us to position -2.  If we added a comma here, 
it would appear near the end of the string!
So we add the condition;
if i > 0 then put "," after char i of tInt

the condition takes care of any strings which aren't exact multiples of 3.

:-)
JC

> it did, very nice code.
> Just don't understand the repeat header.
> "to 1 step -3"
> Thanks, Hershel
>