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st: how to keep first four figures of a variable


From   "FUKUGAWA, N." <nfukugawa@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: how to keep first four figures of a variable
Date   Sat, 08 Jul 2006 10:24:19 +0900

Dear Statalisters,
I would like to make a change in a variable.
A new variable keeps only first four figures of ten-digit variable.

original -> new
1980000123 -> 1980
1996123456 -> 1996

How do I generate such variable using Stata?
Thank you in advance.
---
FUKUGAWA Nobuya, Ph.D.
nfukugawa@gmail.com
See my works at www.ssrn.com
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