From: Lyle Johnson <ljohnson@...>
Date: 2002-03-21T01:42:38+09:00
Subject: Re: Guidelines for cross-platform development?

> For example, ensuring that a path you're building is valid everywhere:
> File.join(dir, file) instead of "#{dir}/#{file}".  Or relying on an
> external commands and assuming they are in the search path (as they
> are 99% of the time on *nixes).

Sadly, even File.join() doesn't do the right thing on Windows:

    irb(main):001:0> File.join('C:\src', 'ruby')
    "C:\\src/ruby"