#!/usr/bin/env ruby

require 'socket'

copy_remote_host_port = ENV['COPY_REMOTE_HOST_PORT'] and
  copy_remote_host_port =~ /\A([^:]+):([^:]+)\z/ or
  fail "environment variable COPY_REMOTE_HOST_PORT of form host:port required"
copy_remote_host, copy_remote_port = $1, $2

clipboard = TCPSocket.new(copy_remote_host, copy_remote_port)
until STDIN.eof?
  clipboard.write STDIN.read(1 << 16)
end