gistfile1.rbx

require 'java'
require 'jodconverter-cli-2.2.1.jar'

def convert(file_in,file_out)
  inputFile = java.io.File.new(file_in)
  outputFile = java.io.File.new(file_out)

  # connect to an OpenOffice.org instance running on port 8100
  connection = com.artofsolving.jodconverter.openoffice.connection.SocketOpenOfficeConnection.new(8100)
  connection.connect()

  # convert
  converter = com.artofsolving.jodconverter.openoffice.converter.OpenOfficeDocumentConverter.new(connection)
  converter.convert(inputFile, outputFile)

  # close the connection
  connection.disconnect();
end 

convert 'test.txt', 'test.pdf'