install ruby 1.9.1 script

http://gist.github.com/59130

#!/bin/sh

PATCH=376

mkdir -p /usr/local/src && cd /usr/local/src
wget ftp://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.1-p$PATCH.tar.bz2
tar -xjvf ruby-1.9.1-p$PATCH.tar.bz2
cd ruby-1.9.1-p$PATCH
./configure --prefix=/usr --program-suffix=19 --enable-shared
make && make install