From: Ara.T.Howard@...
Date: 2005-04-22T23:24:33+09:00
Subject: Re: Clean way to dynamically expand string with "#{expression}"?

On Fri, 22 Apr 2005, Taisuke Yamada wrote:

> Hi.
>
> I'm trying to find a clean way to expand string with "#{...}".
> What I want to do is essentially as follows:
>
>  data = 123
>  expr = 'data = #{data}'
>
>  puts dosomething(expr)
>
> and get 'data = 123' as a result. Actual content of 'expr' can
> be anything, as long as it is a String object.
>
> I came up with following:
>
>  puts eval(%Q{"#{expr.gsub('"', '\"')}"})
>
> But this is ugly, and I'm wondering if there's some other,
> cleaner way to do the same thing.
>
> Can anyone enlighten me?

this is a stupid question by why not simply use double quotes?

   data = 123
   expr = "data = #{ data }"
   puts dosomething(expr)

??

-a
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