# File lib/kwala/actions/code_duplication.rb, line 153
  def cpd_command(dir)
    "java -Xmx256m -cp #{cpd_jar} net.sourceforge.pmd.cpd.CPD" +
      " --minimum-tokens #{minimum_tokens} --files #{dir}" +
      " --language ruby --format net.sourceforge.pmd.cpd.XMLRenderer"
  end