span class="ruby-identifier">empty?</span>
          <span class="ruby-identifier">text2</span> = <span class="ruby-identifier">str</span>
        <span class="ruby-keyword kw">else</span>
          <span class="ruby-identifier">text2</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">str</span>
        <span class="ruby-keyword kw">end</span>
        <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">line</span>[<span class="ruby-value">0</span>] <span class