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st: string manipulation


From   "Rajesh Tharyan" <R.Tharyan@exeter.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: string manipulation
Date   Mon, 15 May 2006 17:01:22 +0100

Hi all,


I have a list of names in the following format

A K Nath
B G G goldfinger
G gomes
R raja micheal
Lothar

I need to get them in the following format

Nath A K
Goldfinger B G G 
Gomes G
Micheal R raja
Lothar

if they were all of the same length I could use the substr function to do
this without any problem. With different lengths and different number of
forenames I am not sure 

But, This is what I have been thinking

1. If there is way to find out the position of the last space then I could
use that info to split the names into forenames and surname
2. then concat them in the way I require
3. Since the number of forenames

Am I right? How do I get the position of the last space. I know Index will
give me the location of the first instance of a character is there something
similar location of the last instance? Or to start looking from the back?

I am using Stata  8.2 

Thanks
rajesh

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