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RE: st: Macro escape inside a macro


From   Nick Cox <n.j.cox@durham.ac.uk>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   RE: st: Macro escape inside a macro
Date   Tue, 28 Sep 2010 16:19:08 +0100

Eric gave one answer. 

A second is to check out -macval()-. 

A third is to report that in my experience as a programmer most of the interest in doing this arises from a misconception that it is necessary. It is, I assert, usually unnecessary and poor Stata programming style. But only a description of the underlying problem could reveal whether that applies in this case. 

A search of the archives for "delayed substitution" will reveal pertinent threads. 

Nick 
n.j.cox@durham.ac.uk 

Eric Booth

See:  http://www.stata.com/support/faqs/lang/backslash.html

****!
local one string

local two "`one'"
di "`two'"
di "\`two'"
****!


On Sep 28, 2010, at 8:47 AM, Aleksander Rutkowski wrote:

> displays empty string?
> 
> How can I escape macro (i.e. prevent macro substitution) inside
> another macro (i.e. when defining another macro)?

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