Grep Pattern in now dir

grep $PATTERN from .rb and .rhtml file type in now dir and except .svn dir

grep --color=auto $PATTERN $(find . -name '*.rb' -or -name '*.rhtml' | grep -v .svn)

ubuntu install rails

apt-get install ruby rubygems irb ri rdoc ruby1.8-dev build-essential
gem update --system
rm /usr/bin/gem;ln -s /usr/bin/gem1.8 /usr/bin/gem
gem i rails
apt-get install libmagick9-dev ruby1.8-dev
gem i rmagick
apt-get install libmysql-ruby