From: Sam Weber <samweber01@...>
Date: 2010-09-07T21:58:49+09:00
Subject: Re: GEM's on Ubuntu

Roger Pack wrote:
> Jaime Gonzalez wrote:
>> Hi, i know that the post is old, but i'm having the same problem, i am 
>> running Ubuntu 10.04 and installed
>> 
>> ruby1.9.1-full
>> rubygems1.9.1
>> 
>> when requiring active record for example:
>> 
>> require 'rubygems'
>> require 'active_record'
> 
> Recommend trying 1.9.2 or trying it in irb like
> $ ruby --disable-gems -S irb
>>> require 'rubygems'
>>> require 'active_record'

Here's what happens on my Ubuntu 10.04 box.  I may be standing on my air 
hose
by attempting to have both 1.8.? installed alongside 1.9.1.  I would 
like to
whack both and go to 1.9.2 but I'm afraid of making things worse instead 
of
better.

[~/sinatra_etudes]$ ruby1.9.1 sinatra1.rb
sinatra1.rb:2:in `require': no such file to load -- sinatra (LoadError)
  from sinatra1.rb:2:in `<main>'
[~/sinatra_etudes]$ gem1.9.1 which sinatra
/usr/lib/ruby/gems/1.9.1/gems/sinatra-1.0/lib/sinatra.rb
[~/sinatra_etudes]$ uname -a
Linux lucid1 2.6.32-24-generic #42-Ubuntu SMP Fri Aug 20 14:24:04 UTC 
2010 i686 GNU/Linux
[~/sinatra_etudes]$ ruby1.9.1 -v
ruby 1.9.1p378 (2010-01-10 revision 26273) [i486-linux]
[~/sinatra_etudes]$ gem1.9.1 -v
1.3.7
[~/sinatra_etudes]$ ruby1.9.1 --disable-gems -S irb
irb(main):001:0> require 'rubygems'
=> true
irb(main):002:0> require 'sinatra'
=> true
irb(main):004:0> exit
[~/sinatra_etudes]$ export GEM_HOME="path_gems"
[~/sinatra_etudes]$ ruby1.9.1 sinatra1.rb
sinatra1.rb:2:in `require': no such file to load -- sinatra (LoadError)
  from sinatra1.rb:2:in `<main>'
[~/sinatra_etudes]$ export GEM_HOME="/usr/lib/ruby/gems/1.9.1/gems"
[~/sinatra_etudes]$ ruby1.9.1 sinatra1.rb
sinatra1.rb:2:in `require': no such file to load -- sinatra (LoadError)
  from sinatra1.rb:2:in `<main>'

So it works in irb but not from the command line.
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