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.vitepress/dist/assets/技术资源汇总(杭电支持版)_3.编程思维体系构建_3.Y.7linux小任务.md.B0_ZolbN.js
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.vitepress/dist/assets/技术资源汇总(杭电支持版)_3.编程思维体系构建_3.Y.7linux小任务.md.B0_ZolbN.js
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import{_ as s,c as i,o as a,a4 as n}from"./chunks/framework.DtvhUNIn.js";const g=JSON.parse('{"title":"linux 自测","description":"","frontmatter":{},"headers":[],"relativePath":"技术资源汇总(杭电支持版)/3.编程思维体系构建/3.Y.7linux小任务.md","filePath":"技术资源汇总(杭电支持版)/3.编程思维体系构建/3.Y.7linux小任务.md"}'),l={name:"技术资源汇总(杭电支持版)/3.编程思维体系构建/3.Y.7linux小任务.md"},h=n(`<h1 id="linux-自测" tabindex="-1">linux 自测 <a class="header-anchor" href="#linux-自测" aria-label="Permalink to "linux 自测""></a></h1><ol><li>本课程需要使用类 Unix shell，例如 Bash 或 ZSH。如果您在 Linux 或者 MacOS 上面完成本课程的练习，则不需要做任何特殊的操作。如果您使用的是 Windows，则您不应该使用 cmd 或是 Powershell；您可以使用<u>Windows Subsystem for Linux</u>或者是 Linux 虚拟机。使用 <code>echo $SHELL</code> 命令可以查看您的 shell 是否满足要求。如果打印结果为 <code>/bin/bash</code> 或 <code>/usr/bin/zsh</code> 则是可以的。</li><li>在 <code>/tmp</code> 下新建一个名为 <code>missing</code> 的文件夹。</li><li>用 <code>man</code> 查看程序 <code>touch</code> 的使用手册。</li><li>用 <code>touch</code> 在 <code>missing</code> 文件夹中新建一个叫 <code>semester</code> 的文件。</li><li>将以下内容一行一行地写入 <code>semester</code> 文件：</li></ol><div class="language-bash vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">bash</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">#!/bin/sh</span></span>
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||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> curl</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --head</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> --silent</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> https://missing.csail.mit.edu</span></span></code></pre></div><p>第一行可能有点棘手， <code>#</code> 在 Bash 中表示注释，而 <code>!</code> 即使被双引号（<code>"</code>）包裹也具有特殊的含义。单引号（<code>'</code>）则不一样，此处利用这一点解决输入问题。更多信息请参考 <u>Bash quoting 手册</u></p><ol><li>尝试执行这个文件。例如，将该脚本的路径（<code>./semester</code>）输入到您的 shell 中并回车。如果程序无法执行，请使用 <code>ls</code> 命令来获取信息并理解其不能执行的原因。</li><li>查看 <code>chmod</code> 的手册 (例如，使用 <code>man chmod</code> 命令)</li><li>使用 <code>chmod</code> 命令改变权限，使 <code>./semester</code> 能够成功执行，不要使用 <code>sh semester</code> 来执行该程序。您的 shell 是如何知晓这个文件需要使用 <code>sh</code> 来解析呢？更多信息请参考：<u>shebang</u></li><li>使用 <code>|</code> 和 <code>></code> ，将 <code>semester</code> 文件输出的最后更改日期信息，写入主目录下的 <code>last-modified.txt</code> 的文件中</li><li>写一段命令来从 <code>/sys</code> 中获取笔记本的电量信息，或者台式机 CPU 的温度</li><li>使用 shell 编程写一个类似脚本的图书管理系统，包含增删改查四个功能</li></ol><p>当然，可能会有点困难我在这里附上一段参考代码</p><div class="language-shell vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">shell</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">#! /usr/bin/env bash</span></span>
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<span class="line"></span>
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||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">initialization</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()</span></span>
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||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
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||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "| "</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "1:添加图书"</span></span>
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||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "| "</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "2:删除图书"</span></span>
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||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "| "</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "3:显示馆藏图书"</span></span>
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||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "| "</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "4:查找图书"</span></span>
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||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -n</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "| "</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ;</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "5:退出系统"</span></span>
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||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> mainmenu</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
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||||
<span class="line"></span>
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||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">mainmenu</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()</span></span>
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||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
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||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> read</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> operation</span></span>
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||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> case</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $operation </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">in</span></span>
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||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#DBEDFF;"> 1</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">)</span></span>
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||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> addbook</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ;;</span></span>
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||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#DBEDFF;"> 2</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">)</span></span>
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||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> delbook</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ;;</span></span>
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||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#DBEDFF;"> 3</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">)</span></span>
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||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> listbooks</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ;;</span></span>
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||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#DBEDFF;"> 4</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">)</span></span>
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||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> search</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ;;</span></span>
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||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#DBEDFF;"> 5</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">)</span></span>
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||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> exit</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ;;</span></span>
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||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> *)</span></span>
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||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> "无效操作，请重试。"</span></span>
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||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> initialization</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ;;</span></span>
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||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> esac</span></span>
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||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
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||||
<span class="line"></span>
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||||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">#直接在文件夹内添加书（所以没有 书单.txt），若没有就find遍历系统匹配并加入</span></span>
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||||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">#不考虑系统中多个匹配结果的情况</span></span>
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||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">addbook</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()</span></span>
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||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "添加图书"</span></span>
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||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "-------------------------"</span></span>
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||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> read</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "输入添加的书名"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> bookname</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> [[ </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">-f</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ~</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">/Desktop/bookregister/$bookname ]] ;</span></span>
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||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> then</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "已经存在这本书。"</span></span>
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||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span></span>
|
||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> find</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> ~</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -name</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $bookname </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">-exec</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> mv</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> {}</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> ~/Desktop/bookregister</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> \\;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> [[ </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">-f</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ~</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">/Desktop/bookregister/$bookname ]] ;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> then</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "匹配成功，已加入书单。"</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> read</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "未找到这本书，手动输入链接从网上下载？[y/n]"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> download</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> [[ $download </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> 'y'</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ]] ;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> then</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> read</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "请输入链接。"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> url</span></span>
|
||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> curl</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> \${url} </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">-o</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $bookname</span></span>
|
||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> find</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> ~</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -name</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> $bookname </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">-exec</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> mv</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> {}</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> ~/Desktop/bookregister</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> \\;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> fi</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> fi</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> fi</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">delbook</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "删除图书"</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "-------------------------"</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> read</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "输入删除的书名"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> bookname</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> [[ </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">!</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> -f</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ~</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">/Desktop/bookregister/$bookname ]] ;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> then</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "查无此书。"</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> read</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "输入 delete 以确认。"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> delete</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> [[ $delete </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> delete ]];</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> then</span></span>
|
||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> rm</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> ~/Desktop/bookregister/</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$bookname</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "删除完毕。"</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> fi</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> fi</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">#因为脚本图书放在一起，所以脚本自身也会显示（不要在意这些细节）</span></span>
|
||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">listbooks</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
|
||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> ls</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> ~/Desktop/bookregister</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">#若找到直接用less打开</span></span>
|
||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">search</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">()</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">{</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "查找图书"</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "-------------------------"</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> read</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> -p</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "输入查找的书名"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> bookname</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> [[ </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">-f</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ~</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">/Desktop/bookregister/$bookname ]] ;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> then</span></span>
|
||||
<span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> less</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> ~/Desktop/bookregister/</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">$bookname</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> else</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> echo</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "查无此书。"</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> fi</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div>`,7),k=[h];function p(t,e,d,F,r,o){return a(),i("div",null,k)}const c=s(l,[["render",p]]);export{g as __pageData,c as default};
|
||||
Reference in New Issue
Block a user