统计svn上两个版本或一段时间内的代码修改行数

<code class="language-java hljs  has-numbering"><span style="font-size:14px;">BufferedReader r = <span class="hljs-keyword">new</span> BufferedReader(<span class="hljs-keyword">new</span> FileReader(<span class="hljs-keyword">new</span> File(<span class="hljs-keyword">this</span>.tempFile)));<code class="language-java hljs  has-numbering"