Re: st: RE: Foreach Problem

["Michael Blasnik" <michael.blasnik@verizon.net>]

Your misunderstanding comes from the fact that display supports expressions 
and will evaluate them and display them.  -rename- does not evaluate string 
expressions, so you need to evaluate it when assigning it to the local 
macro.

Michael Blasnik

----- Original Message ----- 
From: "Raphael Fraser" <raphael.fraser@gmail.com>
To: <statalist@hsphsun2.harvard.edu>
Sent: Monday, October 30, 2006 5:53 PM
Subject: Re: st: RE: Foreach Problem



> Didn't work. From the trace as you said -substr(`var', 6, .)- is not
> being evaluated as I expected. Typing the following in the command
> line works:
>
> . local newname substr("haem_id", 6, .)
> . di `newname'
> id
>
> However, typing the foll. does not work:
>
> rename haem_id `newname'
> ( not allowed
>
> trace on
> foreach var of varlist haem_id - haem_nbc {
> - local newname `=substr(`var', 6, .)'
> type mismatch
> = local newname
> - rename `var' `newname'
> = rename haem_id
> varname required
>  }
> r(100);
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