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Re: st: loop until "0 real changes made"

From   Sergiy Radyakin <>
To   "" <>
Subject   Re: st: loop until "0 real changes made"
Date   Mon, 29 Jul 2013 15:34:19 -0400

On Mon, Jul 29, 2013 at 3:19 PM, Robert Picard <> wrote:
> Here's a more complete example of how to continue making substitutions
> until there are no more changes. I'm with Nick on using -clonevar-
> when making an exact copy of a variable, it is faster than -generate-

Pardon my ignorance, but how is -clonevar- (implemented as an ado
program) possibly faster than -generate- (built-in), if it is using
-generate- inside and on top of that does some other things?? (like
copying labels, formats, etc, which are not necessary for this

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