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语法高亮,滚动条美化,设置页面调整
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@@ -8,15 +8,15 @@
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<li>tailf check文件增长时,使用的是文件名, 用stat系统调用;而tail -f 则使用的是已打开的文件描述符; 注:tail 也可以做到类似跟踪文件名的效果; 但是tail总是使用fstat系统调用,而不是stat系统调用;结果就是:默认情况下,当tail的文件被偷偷删除时,tail是不知道的,而tailf是知道的。</li>
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</ol>
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<h3 id="语法">语法</h3>
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<div class="sourceCode" id="cb1"><pre class="sourceCode bash"><code class="sourceCode bash"><a class="sourceLine" id="cb1-1" data-line-number="1"><span class="ex">tailf</span> logfile <span class="co"># 动态跟踪日志文件logfile,最初的时候打印文件的最后10行内容。</span></a></code></pre></div>
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<div class="sourceCode" id="cb1"><pre><code class="language-bash"><a class="sourceLine" id="cb1-1" data-line-number="1"><span class="ex">tailf</span> logfile <span class="co"># 动态跟踪日志文件logfile,最初的时候打印文件的最后10行内容。</span></a></code></pre></div>
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<h3 id="选项">选项</h3>
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<div class="sourceCode" id="cb2"><pre class="sourceCode bash"><code class="sourceCode bash"><a class="sourceLine" id="cb2-1" data-line-number="1"><span class="ex">-n</span>, --lines NUMBER # 输出最后数行</a>
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<div class="sourceCode" id="cb2"><pre><code class="language-bash"><a class="sourceLine" id="cb2-1" data-line-number="1"><span class="ex">-n</span>, --lines NUMBER # 输出最后数行</a>
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<a class="sourceLine" id="cb2-2" data-line-number="2"><span class="ex">-NUMBER</span> # 与NUMBER相同 <span class="kw">`</span><span class="ex">-n</span> NUMBER<span class="st">'</span></a>
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<a class="sourceLine" id="cb2-3" data-line-number="3"><span class="st">-V, --version # 输出版本信息并退出</span></a>
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<a class="sourceLine" id="cb2-4" data-line-number="4"><span class="st">-h, --help # 显示帮助并退出</span></a></code></pre></div>
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<h3 id="参数">参数</h3>
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<p>目标:指定目标日志。</p>
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<h3 id="实例">实例</h3>
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<pre><code>tailf log/WEB.LOG
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<pre><code class="language-bash">tailf log/WEB.LOG
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tailf -n 5 log2014.log # 显示文件最后5行内容</code></pre>
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<!-- Linux命令行搜索引擎:https://jaywcjlove.github.io/linux-command/ -->
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