Find and replace rake task

find.rake

namespace :find do
  desc "Find and replace"
  task :replace, :find, :replace do |t, args|
    find = args[:find]
    replace = args[:replace]
    `egrep -lRZ "#{find}" --exclude-dir='.git' --exclude-dir='db' --exclude-dir='tmp' --exclude-dir='images' --exclude-dir='fonts' --exclude-dir='vendor' . | xargs -I {} sed -i '' -e 's/#{find}/#{replace}/g' {}`
  end
end