From: Robert Klemme <bob.news@...>
Date: 2004-02-09T10:43:43+09:00
Subject: Re: Is 1.8.2 imminent? And detecting Rubyx version


Maybe this old posting (Nov 25th 2003) of mine helps:

>
> "Ara.T.Howard" <ahoward@ngdc.noaa.gov> schrieb im Newsbeitrag
> news:Pine.LNX.4.44.0311241336440.28055-100000@fattire.ngdc.noaa.gov...
> >
> >
> > any better methods of require a specific version/set of versions?
>
> A bit more complicated, but could be included in the std.
distribution...
>
> module Kernel
>   def ensure_version( ver )
>     if ( RUBY_VERSION.split(/\./).map{|x|x.to_i} <=>
> ver.split(/\./).map{|x|x.to_i} ) < 0
>       throw "Version error: should be #{ver} but is #{RUBY_VERSION}"
>     end
>   end
> end
>
> ensure_version "1.7.0"
> ensure_version "1.8.0"
> ensure_version "1.8.1"

Kind regards

    robert


"Andrew Walrond" <andrew@walrond.org> schrieb im Newsbeitrag
news:200402061042.49252.andrew@walrond.org...
> On Friday 06 Feb 2004 10:03 am, Mauricio Fern�ndez wrote:
> > On Fri, Feb 06, 2004 at 04:58:03PM +0900, Andrew Walrond wrote:
> > > I'm holding off an 'official' release of Rubyx (ruby based linux
distro)
> > > because it hits some bugs in 1.8.1 which have been fixed in cvs
> > >
> > > I was wondering whether anyone knows when 1.8.2 will be released?
> > >
> > > Otherwise, is there a way of detecting a version of ruby, which also
> > > covers dated stable snapshots?
> > >
> > > Eg Rubyx needs stable-snapshot-2004-01-14.rar or newer. How can I
test
> > > for it?
> >
> > VERSION and RUBY_RELEASE_DATE
>
> Thanks! My implementation seems messy though. Can anybody think of how
to
> clean it up?
>
>
>   #Need ruby 1.8.1 stable snapshot >= 2004-01-14
>   catch :ok do
>     puts("Detected ruby version #{VERSION}, released
#{RUBY_RELEASE_DATE}")
>     VERSION =~ /(\d*).(\d*).(\d*)/
>     v1,v2,v3 = $1.to_i,$2.to_i,$3.to_i
>     RUBY_RELEASE_DATE =~ /(\d*)-(\d*)-(\d*)/
>     d1,d2,d3 = $1.to_i,$2.to_i,$3.to_i
>     throw :ok if v1 > 1 or (v1 == 1 and v2 > 8) or (v1 == 1 and v2 == 8
and v3
> > 1)
>     if v1 == 1 and v2 == 8 and v3 == 1
>       throw :ok if d1 > 2004 or (d1 == 2004 and d2 > 1) or (d1 == 2004
and d2
> == 1 and d3 > 13)
>     end
>     raise "Rubyx needs ruby version 1.8.2 or a 1.8.1 stable snapshot
released
> after 2004-02-13"
>   end
>
>
>
>