From: Peter Szinek <peter@...>
Date: 2008-04-29T01:51:02+09:00
Subject: Re: creating and naming variables dynamic

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if type can be either 'car' or 'boat' i.e. lowercase strings:

my_class = Object.const_get(type.capitalize)

and then

my_class.new

etc.

alternatively, you can look into active_support, where you have stuff  
like

 >> "string".classify.constantize.new("aa")
=> "aa"

HTH,
Peter
___
http://www.rubyrailways.com
http://scrubyt.org

On Apr 28, 2008, at 5:05 PM, Tarscher wrote:

> Hi all,
>
> I want to create a variable dynamic. I have defined some classes and
> depending on data I get from a database I need to construct an object
> eg:
>
> now I do
>
> if type=="car"
>  variab = Car.new
> elsif type="boat"
>  variab = Boat.new
> end
>
> can I do something like
> variab = Instance.new(type)
>
>
> Following this: can I give dynamic variablenames?
> now I do
> if type=="car"
>  car_string = Car.new
> elsif type="boat"
>  boat_string = Boat.new
> end
>
> can I do something like
> dynamicpart_string = Instance.new(type)
>
> Regards,
> Stijn
>


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