From: William James <w_a_x_man@...>
Date: 2005-11-29T06:47:29+09:00
Subject: Re: string substitution question

Ross Bamford wrote:
> On Mon, 28 Nov 2005 12:00:37 -0000, <ljw1001@gmail.com> wrote:
>
> > What is ERB?
> >
> > I had assumed that it would be possible to convert a single quote
> > string to a double quote string and that would take care of it.  Is
> > that not possible. Maybe I'm looking at this the wrong way.
> > Substitution is done with the syntax you mention in my current version
> > of Rails.  Is ERB what they use?
> >
>
> It is probably possible, maybe using the special quoting operators and so
> forth, but I imagine it is messy and problematic (?).
> There appears to be some automagic escaping going on when # is read into
> double quoted strings, or something like that.
> Rails does use ERB, and I think I'd still suggest it. It's 'Embedded
> Ruby'. With 1.8 it comes as standard (at least with 1.8.3). You can use it
> like:
>
>    require 'erb'
>
>    sturf = ['just', 'some', 'stuff']
>    src = "<% sturf.length.times do |i| %><%= sturf[i] %> <% end %>"

   src = "<% stuff.each do |s| %><%= s %> <% end %>"

> 
>    text = ERB.new(src).result       # => "just some stuff "