chef

https://github.com/opscode/chef

Ruby

A systems integration framework, built to bring the benefits of configuration management to your entire infrastructure.

Chef::ChefFS::FileSystem.list_pairs

Yield entries for children that are in either +a_root+ or +b_root+, with
matching pairs matched up.

==== Yields

Yields matching entries in pairs:

   [ a_entry, b_entry ]

==== Example

    Chef::ChefFS::FileSystem.list_pairs(FilePattern.new('**x.txt', a_root, b_root)).each do |a, b|
      ...
    end

Source | Google | Stack overflow

Edit

git clone [email protected]:opscode/chef.git

cd chef

open lib/chef/chef_fs/file_system.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Chef--ChefFS--FileSystem-list_pairs-for-pr

# Commit to git

git add lib/chef/chef_fs/file_system.rbgit commit -m "better docs for Chef::ChefFS::FileSystem.list_pairs"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-Chef--ChefFS--FileSystem-list_pairs-for-pr

hub pull-request

# Celebrate!