From: Paolo Capriotti <p.capriotti@...>
Date: 2006-01-18T19:09:39+09:00
Subject: Re: Delayed quote expansion

On 1/18/06, Kevin Olbrich <kevin.olbrich@duke.edu> wrote:
[snip]
> I would like to do something like this...
>
> def func(param)
>   test = 42
>   puts param.quote_substitution
> end
>
> func('my number is #{test}')    #=> "my number is 42"

Try this:

class String
  def evaluate(*args)
    eval inspect.gsub(/\\#/, '#'), *args
  end
end

def func(str)
  x = 42
  str.evaluate(binding)
end

puts func('the answer is #{x}')



--

Paolo