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Re: st: How to identify a string as a variable?


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: How to identify a string as a variable?
Date   Wed, 10 Oct 2012 08:41:53 +0200

On Wed, Oct 10, 2012 at 5:39 AM, Nobuaki Michihata wrote:
>> I'm looking for the way to identify a text string as a variable.
>>
>> Here is an example.
>> .clear
>> .sysuse auto
>> . di price[1]
>> 4099
>> . di ("p"+"rice"+"[1]")
>> price[1]
>>
>> On the last command, I need "4099", not "price[1]".
>> Is there any string function to identify a string as a variable's name?
>> I'm looking for the way to identify a text string as a variable.
>>
>> Here is an example.
>> .clear
>> .sysuse auto
>> . di price[1]
>> 4099
>> . di ("p"+"rice"+"[1]")
>> price[1]
>>
>> On the last command, I need "4099", not "price[1]".
>> Is there any string function to identify a string as a variable's name?


--- On Wed, Oct 10, 2012 at 12:23 PM, kantor.d@att.net wrote:
> This might get you started.
>
> local a = "p" + "rice" + "[1]"
> disp `a'

Alternatively the following will work as well:

disp `= "p" + "rice" + "[1]" '

By surrounding an expression with -`=- and -'- you force that the
expression is evaluated.

-- Maarten

---------------------------------
Maarten L. Buis
WZB
Reichpietschufer 50
10785 Berlin
Germany

http://www.maartenbuis.nl
---------------------------------
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