From: Austin Ziegler <halostatue@...>
Date: 2005-08-13T00:23:43+09:00
Subject: Re: Re-reading a portion of a source file from a specific point

On 8/12/05, daz <dooby@d10.karoo.co.uk> wrote:
> Daniel Berger wrote:
> > From within a Ruby program, is there a way to get Ruby to re-read itself
> > from a specific part of the file?
> > [...]
> > I thought perhaps there were some tricks I could
> > use with __DATA__, __END__ or __FILE__, but I wasn't sure.
> The DATA constant initially points after the __END__ marker.
> The origin of the DATA IO object is the script itself !
> 
> # Line 1
> DATA.rewind
> script = DATA.readlines
> p script[1..2]
> __END__
> 
> #-> ["DATA.rewind\n", "script = DATA.readlines\n"]

This only works for the top-level script ($0). It does not work for
included scripts, the way that Perl's __END__ and DATA markers do.

-austin
-- 
Austin Ziegler * halostatue@gmail.com
               * Alternate: austin@halostatue.ca