From: Wilson Bilkovich <wilsonb@...>
Date: 2006-05-16T22:32:03+09:00
Subject: Re: Problem with my gsub!

On 5/16/06, Guest <pbailey@bna.com> wrote:
> Christoffer Sawicki wrote:
> >> I've tried \1, but, that gives me even worse results.
> >
> > '%%Page: \1' or "%%Page: \\1" does what you want.
>
> Thank you, Christopher!
>
> Now, could you tell me how to have a counter for that \1? In other
> words, I want the numbers to increment, starting from 1 through however
> many "%%Page" indicators there are. Is there any way to do that in the
> same gsub! line?
>
> Thanks again.
>

The block form of gsub is one way to go about it:
counter = 0
content.gsub!(/^%%Page:.*([0-9]{1,5})$/)  do |match|
   counter += 1
   "%%Page: #{counter}"
end

Whatever the block returns is used to replace the matched text.