From: Daniel DeLorme <dan-ml@...42.com>
Date: 2007-03-01T10:41:56+09:00
Subject: Re: Parsing a file with look ahead

Gregory Brown wrote:
> On 2/21/07, S. Robert James <srobertjames@gmail.com> wrote:
>> Thanks!  BTW, looking at the Rdoc, it seems each_cons is what I want,
>> no?
> 
> If you are dealing with paired lines, use enum_slice(2)
> 
> if you are dealing with data dependent on the current and previous
> line, use each_cons, yes.

Except each_cons(n) will iterate 9 times if you have 10 lines.

Maybe something simple like this?

line = f.gets
while line
   nextline = f.gets
   #do stuff...
   line = nextline
end

Daniel