Install Ruby 1.8 and Rubygems from source

install_ruby18_from_source.sh

#!/bin/bash
#
# Install Ruby 1.8 from source
#
# Author : Scott Barr
# Date   : 7 Jan 2010

RUBY_VERSION=1.8.7-p249
RUBYGEMS_VERSION=1.3.5

cd /usr/local/src

# install ruby
wget ftp://ftp.ruby-lang.org/pub/ruby/1.8/ruby-${RUBY_VERSION}.tar.gz
tar -zxf ruby-${RUBY_VERSION}.tar.gz
cd ruby-${RUBY_VERSION}
./configure
make
sudo make install

cd ..

# install rubygems
wget http://rubyforge.org/frs/download.php/60718/rubygems-${RUBYGEMS_VERSION}.tgz
tar -zxf rubygems-${RUBYGEMS_VERSION}.tgz
cd rubygems-${RUBYGEMS_VERSION}
sudo ruby ./setup.rb

ruby -v
gem -v