From: Chris Dempsey <cdallas@...>
Date: 2009-09-30T20:51:43+09:00
Subject: Re: YAML & String Interpolation

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Thanks folks.  I'll give ERb a shot.

On Tue, Sep 29, 2009 at 4:21 PM, trans <transfire@gmail.com> wrote:

>
>
> On Sep 29, 11:55 am, Chris Dempsey <cdal...@gmail.com> wrote:
> > I'm trying to read in a YAML string stored in a configuration file and
> have
> > Ruby perform String interpolation on it.
> >
> > For example,
> > === YAML file ===
> > remote_machine: "${server}:${port}"
> >
> > === RUBY ===
> >
> > def load_settings
> >     @options = {}
> >     imports = YAML.load_file('server-info.yaml')
> >     if imports
> >         imports.each_pair do |key, value|
> >             if not key.is_a? Symbol
> >                 imports[key.to_sym] = value
> >                 imports.delete(key)
> >             end
> >         end
> >         @options = imports.merge(@options)
> >     end
> > end
> >
> > server = '192.168.0.1'
> > port = '8080'
> > print @options[:remote_machine] # => 192.168.0.1:8080
> >
> > Instead what I'm getting is the printing of ${server}:${port}.
>
>   require 'facets/string/interpolate'
>   server = '192.168.0.1'
>   String.interpolate{'#{server}'}
>
> However, I would recommend ERB for this usecase too.
>
> T.
>
>
>

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