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            <h1 id="seo-header">核酸检测完成情况提醒bot：shell给图片添加文字水印</h1>
            
            
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                <p>上辈子造了孽，这辈子用微信。<a target="_blank" rel="noopener" href="https://occdn.limour.top/2415.html">核酸检测完成情况提醒bot：shell解析json</a>后，微信又出幺蛾子了，核酸检测表格的图片被屏蔽了，只有自己能看到，群里其他人看不到。现在需要每天给图片加点料，避开微信的检测。</p>
<h2 id="安装依赖"><a href="#安装依赖" class="headerlink" title="安装依赖"></a>安装依赖</h2><ul>
<li>apt update</li>
<li>apt install imagemagick</li>
</ul>
<h2 id="添加水印的脚本"><a href="#添加水印的脚本" class="headerlink" title="添加水印的脚本"></a>添加水印的脚本</h2><figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br></pre></td><td class="code"><pre><code class="hljs bash"><span class="hljs-meta">#!/usr/bin/env bash</span><br>text=`<span class="hljs-built_in">date</span>`<br>convert /root/itchat/COVID.19.testing_raw.png \<br>-gravity southeast -fill black -pointsize 16 \<br>-draw <span class="hljs-string">&quot;text 5,5 &#x27;<span class="hljs-variable">$text</span>&#x27;&quot;</span> \<br>/root/itchat/COVID.19.testing.png<br></code></pre></td></tr></table></figure>

<ul>
<li>nano sb_wechat.sh &amp;&amp; chmod +x sb_wechat.sh</li>
</ul>
<h2 id="添加定时执行"><a href="#添加定时执行" class="headerlink" title="添加定时执行"></a>添加定时执行</h2><ul>
<li>crontab -e</li>
<li>0 7 * * * &#x2F;root&#x2F;itchat&#x2F;sb_wechat.sh</li>
<li>crontab -l</li>
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  Fluid.utils.createScript('https://jscdn.limour.top/npm/anchor-js@4.3.1/anchor.min.js', function() {
    window.anchors.options = {
      placement: CONFIG.anchorjs.placement,
      visible  : CONFIG.anchorjs.visible
    };
    if (CONFIG.anchorjs.icon) {
      window.anchors.options.icon = CONFIG.anchorjs.icon;
    }
    var el = (CONFIG.anchorjs.element || 'h1,h2,h3,h4,h5,h6').split(',');
    var res = [];
    for (var item of el) {
      res.push('.markdown-body > ' + item.trim());
    }
    if (CONFIG.anchorjs.placement === 'left') {
      window.anchors.options.class = 'anchorjs-link-left';
    }
    window.anchors.add(res.join(', '));

    Fluid.events.registerRefreshCallback(function() {
      if ('anchors' in window) {
        anchors.removeAll();
        var el = (CONFIG.anchorjs.element || 'h1,h2,h3,h4,h5,h6').split(',');
        var res = [];
        for (var item of el) {
          res.push('.markdown-body > ' + item.trim());
        }
        if (CONFIG.anchorjs.placement === 'left') {
          anchors.options.class = 'anchorjs-link-left';
        }
        anchors.add(res.join(', '));
      }
    });
  });
</script>


<script>
  Fluid.utils.createScript('https://lib.baomitu.com/fancybox/3.5.7/jquery.fancybox.min.js', function() {
    Fluid.plugins.fancyBox();
  });
</script>


  <script>Fluid.plugins.imageCaption();</script>

  <script  src="/js/local-search.js" ></script>


<!-- 主题的启动项，将它保持在最底部 -->
<!-- the boot of the theme, keep it at the bottom -->
<script  src="/js/boot.js" ></script>


  <noscript>
    <div class="noscript-warning">Blog works best with JavaScript enabled</div>
  </noscript>
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  <script defer src="/theme-inject/timeliness.js"></script>
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</html>