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Re: st: check if string or numeric


From   David Kantor <kantor.d@att.net>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: check if string or numeric
Date   Mon, 06 Oct 2008 17:03:32 -0400

At 04:44 PM 10/6/2008, Jacob A. Wegelin wrote:
I would like to check for type of variable (string, numeric, etc) in a program, and then take action on the basis of the type. [...]
How about...
local typ: type varname

then test whether substr("`typ'" , 1, 3) == "str"

You can be more concise by compressing this into one expression:
substr("`:type varname'" , 1, 3) == "str"

And of course, substitute `1' for varname in your program.

HTH
--David

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