put your poem on nem testnet

transfer.rb

# gem install nem-ruby
# ruby transter.rb your_poem.md
require 'pp'
require 'nem'

Nem.logger.level = Logger::DEBUG

# sender
A_PRIVATE_KEY = 'your_private_key'

# recipient
B_ADDRESS = 'TAYFYAEQEV7URQSZZ3J3TRT3N6EYW2PEXTMWLL67'

kp = Nem::Keypair.new(A_PRIVATE_KEY)
node = Nem::Node.new(host: 'bigalice2.nem.ninja')
tx_endpoint = Nem::Endpoint::Transaction.new(node)

# with plain message
#
text = File.open(ARGV[0]).read
tx = Nem::Transaction::Transfer.new(B_ADDRESS, 0, text)
pp "Fee: #{tx.fee.to_i}"

req = Nem::Request::Announce.new(tx, kp)
res = tx_endpoint.announce(req)

pp "Message: #{res.message}"
pp "TransactionHash: #{res.transaction_hash}"