From: "Michael W. Ryder" <_mwryder@...>
Date: 2007-05-23T10:45:03+09:00
Subject: Re: Substituting variables in a method

Rick DeNatale wrote:
> On 5/22/07, Harry Kakueki <list.push@gmail.com> wrote:
> 
>> str4 = str3.gsub("#{str1}","#{str2}")
> 
> The string interpolation is completely unnecessary, this is the same as:
> str4 = str3.gsub(str1, str2)
> 
> 
How does one know when to use string interpolation and when it isn't 
needed?  I know that if I want to put a variable in the middle of a 
string I have to use interpolation so I thought I also needed something 
like that in this case as I didn't want to convert c's to d's.