ipfs daemon

gem install ipfs-api

gem 'ipfs-api', '~> 0.3.0'

require 'ipfs-api'

ipfs = IPFS::Connection.new
ipfs.add Dir.new('data')

require 'ipfs-api'

ipfs = IPFS::Connection.new

# retrieve contents of a file
print ipfs.cat('QmfM2r8seH2GiRaC4esTjeraXEachRt8ZsSeGaWTPLyMoG')

# retrieve the whole directory and make a copy of it in ``copy-of-data``
ipfs.get('QmSh4Xjoy16v6XmnREE1yCrPM1dnizZc2h6LfrqXsnbBV7', 'copy-of-data')

require 'ipfs-api'

ipfs = IPFS::Connection.new
folder = IPFS::Upload.folder('test') do |test|
  test.add_file('hello.txt') do |fd|
    fd.write 'Hello'
  end
  test.add_file('world.txt') do |fd|
    fd.write 'World'
  end
end
ipfs.add folder do |node|
  # display each uploaded node:
  print "#{node.name}: #{node.hash}\n" if node.finished?
end