From: David Rio <driodeiros@...>
Date: 2009-04-19T09:39:38+09:00
Subject: Re: load "/proc/self/fd/#{$stdin.fileno}"

On Sat, Apr 18, 2009 at 7:00 PM, Thomas Hafner
<thomas@faun.hafner.nl.eu.org> wrote:
> Hello,
>
> the Ruby code in this article's subject works for my machine running
> Ubuntu Linux, but I don't expect it to work for different operating
> systems (NetBSD, FreeBSD a.s.o.).
>
> How can alternative OS independent Ruby code look like? Of course, it
> shall also load from standard input rather than from a file. Despite
> that, it shall be very close to loading a "real" file, e.g.: the line
> number of the error location shall be told in case of a syntax error
> within the loaded code.

$ cat foo.rb
eval $stdin.read
$ echo "puts 'this is great' "| ruby ./foo.rb
this is great