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  def cmd_exe(cmd, &block)
    output = nil
    log_to_scribe("JR-ncpr-upload"," executing command #{cmd}")
    Open3.popen3(cmd) do |stdin, stdout, stderr|
      output = stdout.readlines
      error = stderr.readlines
      unless error.empty?
        p "#{cmd} Failed "
        log_to_scribe("JR-ncpr-upload","#{cmd} Failed, with error #{error.to_s}")
        yield false if block_given?
        raise JobRunnerErrors::JobFailed("#{cmd} Failed, with error #{error.to_s}")
      end
    end
    yield true if block_given?
    output
  end