Copy and Paste from the rails terminal

terminal_utils.rb

# frozen_string_literal: true
# In {rails_app}/config/initializers/terminal_utils.rb

Rails.configuration.to_prepare do
  require "terminal/utils"

  module Rails::ConsoleMethods
    include Terminal::Utils
  end
end

utils.rb

# frozen_string_literal: true
# In {rails_app}/lib/terminal/utils.rb

require "rbconfig"

module Terminal
  module Utils

    def pbcopy(input)
      str = input.to_s
      # IO.popen('pbcopy', 'w') { |f| f << str } if pbcopy_command
      `echo #{str} | #{pbcopy_command}` if pbcopy_command
      str
    end

    def pbpaste
      `#{pbpaste_command}`
    end

    def current_os
      @current_os ||= (
        host_os = RbConfig::CONFIG['host_os']
        case host_os
        when /mswin|msys|mingw|cygwin|bccwin|wince|emc/
          :windows
        when /darwin|mac os/
          :macosx
        when /linux/
          :linux
        when /solaris|bsd/
          :unix
        else
          raise Error::WebDriverError, "unknown os: #{host_os.inspect}"
        end
      )
    end

    def pbcopy_command
      return "tr -d '\n' | pbcopy" if current_os == :macosx
      return  "tr -d '\n' | xsel -ib" if current_os == :linux
    end

    def pbpaste_command
      return "pbpaste" if current_os == :macosx
      return  "xsel -op" if current_os == :linux
    end
  end
end