From: dima <dejan.dimic@...>
Date: 2007-08-08T05:15:08+09:00
Subject: Re: array.each puzzle from new ruby-er

On Aug 7, 9:10 pm, Gani Ruthellen <ganie...@gmail.com> wrote:
> Noah Easterly wrote:
> > On Aug 7, 2:04 pm, Gani Ruthellen <ganie...@gmail.com> wrote:
> >> > end
> >> Posted viahttp://www.ruby-forum.com/.
> > Have you considered switching to map?
>
> > As for debugging, I'd try tracking it down using p
>
> > lines = file.readlines("\x15").map do |line|
> >   line.chomp!("\x15")
> >   line.sub!(/^\n/, "")
> >   line = "<someTag>" + line + "</someTag>"     if line =~ /^\*{3}/
> >   p [:line, line] # comment me out after debugging
> >   line
> > end
>
> > p [:lines, lines] # comment me out after debugging
>
> > puts lines
>
> Oh. I did a subset of the p [:line, line] and it looks like i had some
> \n and some  \r\n occurring. I was just pulling the \r\n on my sub call
> (wrote it as \n to simplify)because when I was looking at the original
> with end of line showing they all showed as CRLF. Odd.
> Much improved output, and another tool in my meager toolkit. Thanks so
> much, Noah and all other repliers! I'll look at replacing the each with
> map/collect now that I know about it. I do have the Pragmatic
> programming book...
> Cheers, Gani
>
> --
> Posted viahttp://www.ruby-forum.com/.

Piece of advice - concatenation in Ruby is very fast but you should
take the better way by using:
y = "<someTag>" << y << "</someTag>"
which is a little faster with same readability ;-)