http://unix.pub/tags/od/Recent content in Od on UNIX PublicationHugozh[unixetc](https://unixetc.com)http://unix.pub/docs/coreutils/Mon, 01 Jan 0001 00:00:00 +0000http://unix.pub/docs/coreutils/<h1 id="gnu核心工具">GNU核心工具<a class="anchor" href="#gnu%e6%a0%b8%e5%bf%83%e5%b7%a5%e5%85%b7">#</a></h1> <p>GNU Core Utilities(GNU核心工具)包含一系列基础文件和工具，包括shell和文本操作工具。这些是GNU系统的最核心工具。</p> <h2 id="输出文件内容">输出文件内容<a class="anchor" href="#%e8%be%93%e5%87%ba%e6%96%87%e4%bb%b6%e5%86%85%e5%ae%b9">#</a></h2> <ul> <li><a href="cat_usage">cat</a>: 输出文件内容，默认输出到当前屏幕</li> <li><a href="tac_usage">tac</a>: 倒序输出文件内容</li> <li><a href="nl_usage">nl</a>: 输出文件内容并显示行号，等同于<code>cat -n</code></li> <li><a href="od_usage">od</a>: 以八进制方式输出文件内容</li> <li><a href="base32_usage">base32</a>: 32位编码解码文件</li> <li><a href="base64_usage">base64</a>: 64位编码解码文件</li> <li><a href="basenc_usage">basenc</a>: 多种格式编码解码文件</li> </ul> <h2 id="格式化文件内容">格式化文件内容<a class="anchor" href="#%e6%a0%bc%e5%bc%8f%e5%8c%96%e6%96%87%e4%bb%b6%e5%86%85%e5%ae%b9">#</a></h2> <ul> <li><a href="fmt_usage">fmt</a>：重新格式化段落文本</li> <li><a href="pr_usage">pr</a>：将文件分页或分栏以便打印</li> <li><a href="fold_usage">fold</a>：折行处理输入内容，使其适应指定宽度</li> </ul> <h2 id="输出文件部分内容">输出文件部分内容<a class="anchor" href="#%e8%be%93%e5%87%ba%e6%96%87%e4%bb%b6%e9%83%a8%e5%88%86%e5%86%85%e5%ae%b9">#</a></h2> <ul> <li><a href="head_usage">head</a>：输出文件的前部分</li> <li><a href="tail_usage">tail</a>：输出文件的后部分</li> <li><a href="split_usage">split</a>：将文件拆分成多个部分</li> <li><a href="csplit_usage">csplit</a>：将文件拆分成按内容确定的部分</li> </ul> <p><em><a href="https://www.gnu.org/software/coreutils/">https://www.gnu.org/software/coreutils/</a></em></p>http://unix.pub/docs/coreutils/od_usage/Mon, 01 Jan 0001 00:00:00 +0000http://unix.pub/docs/coreutils/od_usage/<h1 id="od命令用法">od命令用法<a class="anchor" href="#od%e5%91%bd%e4%bb%a4%e7%94%a8%e6%b3%95">#</a></h1> <p><code>od</code>用来以八进制或其他进制输出文件</p> <div class="highlight"><pre tabindex="0" style="color:#e2e4e5;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-sh" data-lang="sh"><span style="display:flex;"><span>$ od push.sh </span></span><span style="display:flex;"><span><span style="color:#ff9f43">0000000</span> <span style="color:#ff9f43">066562</span> <span style="color:#ff9f43">026440</span> <span style="color:#ff9f43">063162</span> <span style="color:#ff9f43">071040</span> <span style="color:#ff9f43">071545</span> <span style="color:#ff9f43">072557</span> <span style="color:#ff9f43">061562</span> <span style="color:#ff9f43">071545</span> </span></span><span style="display:flex;"><span><span style="color:#ff9f43">0000020</span> <span style="color:#ff9f43">020057</span> <span style="color:#ff9f43">072560</span> <span style="color:#ff9f43">066142</span> <span style="color:#ff9f43">061551</span> <span style="color:#ff9f43">020057</span> <span style="color:#ff9f43">064056</span> <span style="color:#ff9f43">063565</span> <span style="color:#ff9f43">057557</span> </span></span><span style="display:flex;"><span><span style="color:#ff9f43">0000040</span> <span style="color:#ff9f43">072542</span> <span style="color:#ff9f43">066151</span> <span style="color:#ff9f43">027144</span> <span style="color:#ff9f43">067554</span> <span style="color:#ff9f43">065543</span> <span style="color:#ff9f43">005015</span> <span style="color:#ff9f43">005015</span> <span style="color:#ff9f43">005015</span> </span></span><span style="display:flex;"><span><span style="color:#ff9f43">0000060</span> <span style="color:#ff9f43">064547</span> <span style="color:#ff9f43">020164</span> <span style="color:#ff9f43">062141</span> <span style="color:#ff9f43">020144</span> <span style="color:#ff9f43">006456</span> <span style="color:#ff9f43">063412</span> <span style="color:#ff9f43">072151</span> <span style="color:#ff9f43">061440</span> </span></span><span style="display:flex;"><span><span style="color:#ff9f43">0000100</span> <span style="color:#ff9f43">066557</span> <span style="color:#ff9f43">064555</span> <span style="color:#ff9f43">020164</span> <span style="color:#ff9f43">066455</span> <span style="color:#ff9f43">021040</span> <span style="color:#ff9f43">070165</span> <span style="color:#ff9f43">060544</span> <span style="color:#ff9f43">062564</span> </span></span><span style="display:flex;"><span><span style="color:#ff9f43">0000120</span> <span style="color:#ff9f43">006442</span> <span style="color:#ff9f43">063412</span> <span style="color:#ff9f43">072151</span> <span style="color:#ff9f43">070040</span> <span style="color:#ff9f43">071565</span> <span style="color:#ff9f43">006550</span> <span style="color:#ff9f43">071412</span> <span style="color:#ff9f43">062554</span> </span></span><span style="display:flex;"><span><span style="color:#ff9f43">0000140</span> <span style="color:#ff9f43">070145</span> <span style="color:#ff9f43">031440</span> <span style="color:#ff9f43">006563</span> <span style="color:#ff9f43">062412</span> <span style="color:#ff9f43">064143</span> <span style="color:#ff9f43">020157</span> <span style="color:#ff9f43">042042</span> <span style="color:#ff9f43">067157</span> </span></span><span style="display:flex;"><span><span style="color:#ff9f43">0000160</span> <span style="color:#ff9f43">020545</span> <span style="color:#ff9f43">006442</span> <span style="color:#ff9f43">071412</span> <span style="color:#ff9f43">062554</span> <span style="color:#ff9f43">070145</span> <span style="color:#ff9f43">031440</span> <span style="color:#ff9f43">006563</span> <span style="color:#ff9f43">000012</span> </span></span><span style="display:flex;"><span><span style="color:#ff9f43">0000177</span></span></span></code></pre></div>