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st: Renaming variables using foreach

From   Suryadipta Roy <>
Subject   st: Renaming variables using foreach
Date   Tue, 26 Jun 2012 17:20:44 -0400

Dear Statalisters,

I am currently learning looping in Stata and is stuck with the
following problem: I have about 150 variables that I want to rename as
var1 var2, etc.. upto var 150. I tried the following:

local i = `i' + 1
foreach x of varlist  Agricultural_raw_materials_expor -
Value_lost_due_to_electrical_out  {
2. rename `x' var`i'
3. }

I am getting the following error message:
var1 already defined

I find that only the first variable is renamed as "var1" and then the
loop stopped running. Any help is greatly appreciated.

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