From: William James <w_a_x_man@...>
Date: 2005-09-10T14:36:30+09:00
Subject: Re: Using Ruby as a preprocessor for another language


debbie@theanimaro.com wrote:

> I've been using Ruby as a macro pre-processor so that I can write more
> maintainable scripts without violating the DRY (Don't Repeat Yourself)
> principle. Presently, I have the following functionality:
>
> 1. #{...} strings are evaluated by Ruby
> 2. lines starting with @ are evaluated by Ruby
>
> Thanks to Ruby's power and simplicity, the ENTIRE pre-processor is
> just these few lines:
>
> while line = gets
>         line.chomp!
>         if line =~ /^\s*\@(.*)$/
>                 # Line starts with a @; it is Ruby code
>                 puts $1
>         else
>                 # Line should be printed, with #{} substitution
> available
>                 puts "puts \"#{line.gsub('"', '\"')}\""
>         end
> end

/^\s*\@(.*)$/

could be changed to

/^\s*@(.*)$/