Bash and Ruby file/directory manipulation

ryan.rb

require 'fileutils'
Dir.mkdir("hello") unless Dir.exist?("hello")
FileUtils.mkdir_p("/tmp/foo/bar/baz/this/is/easy/no")
Dir["/etc/**/*"].each { |f| puts IO.readlines(f).grep(/chad/i) rescue nil}

ryan.sh

if [ ! -d "hello" ] ; then
  mkdir "hello"
fi
mkdir -p /tmp/foo/bar/baz/this/is/easy/too
find /etc/ -exec grep -i chad {} \; 2>/dev/null