From: David Clements <digidigo@...>
Date: 2006-05-03T01:16:47+09:00
Subject: Re: How to get a new instance of a class given a String

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On 5/2/06, Sergey Volkov <gm.vlkv@gmail.com> wrote:
>
> Generalizing Daniel's solution:
>
> 543> cat tClassByName.rb
> #!/bin/ruby -w
>
> def class_by_name name
>     name.split("::").inject(Object){ |c,n|
>         c.const_get(n)
>     }
> end
>
> p class_by_name( 'Hash' )
> p class_by_name( 'File::Stat' )
> __END__
>
> 544> ruby tClassByName.rb
> Hash
> File::Stat
>
> regards
> Sergey



Thanks so much that has me going again.

Dave

----- Original Message -----
> From: "Daniel Harple" <dharple@generalconsumption.org>
> To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
> Sent: Tuesday, May 02, 2006 11:06 AM
> Subject: Re: How to get a new instance of a class given a String
>
>
> > On May 2, 2006, at 5:03 PM, David Clements wrote:
> >
> >> class_name =3D "UserPreference"
> >> up =3D Class.class_for_name(class_name).new
> >
> > up =3D Object.const_get(class_name).new
> >
> > -- Daniel
>
>

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