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LiangShaw · Oct 25, 2023 · b3f8345 · b3f8345
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diff --git a/2022/06/24/Bioinfo-motif-discovery/index.html b/2022/06/24/Bioinfo-motif-discovery/index.html
@@ -873,6 +873,10 @@ <h2 id="其他工具"><a href="#其他工具" class="headerlink" title="其他
 
                 <div class="card-action article-tags">
 
+                    <a href="/tags/R/">
+                        <span class="chip bg-color">R</span>
+                    </a>
+
                     <a href="/tags/rstudio-server/">
                         <span class="chip bg-color">rstudio-server</span>
                     </a>

diff --git a/2022/09/08/rserver-change-R/index.html b/2022/09/08/rserver-change-R/index.html
@@ -370,6 +370,10 @@ <h1 class="description center-align post-title">rstudio-server 更换 R 内核</
 
                     <div class="article-tag">
 
+                            <a href="/tags/R/">
+                                <span class="chip bg-color">R</span>
+                            </a>
+
                             <a href="/tags/rstudio-server/">
                                 <span class="chip bg-color">rstudio-server</span>
                             </a>
@@ -393,7 +397,7 @@ <h1 class="description center-align post-title">rstudio-server 更换 R 内核</
 
                 <div class="post-date info-break-policy">
                     <i class="far fa-calendar-check fa-fw"></i>更新日期:&nbsp;&nbsp;
-                    2023-10-11
+                    2023-10-17
                 </div>
 
 
@@ -585,6 +589,10 @@ <h2 id="BiocManager-版本低"><a href="#BiocManager-版本低" class="headerlin
 
                         <div class="article-tag">
 
+                                <a href="/tags/R/">
+                                    <span class="chip bg-color">R</span>
+                                </a>
+
                                 <a href="/tags/rstudio-server/">
                                     <span class="chip bg-color">rstudio-server</span>
                                 </a>

diff --git a/2022/09/09/Bioinfo-scRNA-seq1/index.html b/2022/09/09/Bioinfo-scRNA-seq1/index.html
@@ -893,6 +893,10 @@ <h2 id="CellRanger"><a href="#CellRanger" class="headerlink" title="CellRanger">
 
                 <div class="card-action article-tags">
 
+                    <a href="/tags/R/">
+                        <span class="chip bg-color">R</span>
+                    </a>
+
                     <a href="/tags/rstudio-server/">
                         <span class="chip bg-color">rstudio-server</span>
                     </a>

diff --git a/2022/09/29/linux-common-cmd-Rmd/index.html b/2022/09/29/linux-common-cmd-Rmd/index.html
@@ -411,7 +411,7 @@ <h1 class="description center-align post-title">linux其他常用命令</h1>
 
                 <div class="post-date info-break-policy">
                     <i class="far fa-calendar-check fa-fw"></i>更新日期:&nbsp;&nbsp;
-                    2023-09-09
+                    2023-10-25
                 </div>
 
 
@@ -513,7 +513,32 @@ <h1 id="rename"><a href="#rename" class="headerlink" title="rename"></a>rename</
 <p>注意：上述替换，只会发生在第一个匹配的字符串，所以感觉安装个 perl 版本的 rename 很舒服？</p>
 <p>缺点是无法实现循环，按标号重命名的目的。</p>
 <p>perl 版本的好处就是可以使用正则表达式</p>
-
+<h1 id="文件-文件夹判断"><a href="#文件-文件夹判断" class="headerlink" title="文件/文件夹判断"></a>文件/文件夹判断</h1><p>判断文件是否存在</p>
+<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token keyword">if</span> <span class="token punctuation">[</span> <span class="token operator">!</span> -f <span class="token string">"<span class="token variable">$file</span>"</span> <span class="token punctuation">]</span><span class="token punctuation">;</span> <span class="token keyword">then</span> <span class="token builtin class-name">echo</span> <span class="token string">"file not exist"</span><span class="token punctuation">;</span> <span class="token keyword">fi</span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
+
+<p>判断文件是否为空</p>
+<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash"><span class="token keyword">if</span> <span class="token punctuation">[</span> <span class="token operator">!</span> -s <span class="token string">"<span class="token variable">$file</span>"</span> <span class="token punctuation">]</span><span class="token punctuation">;</span> <span class="token keyword">then</span> <span class="token builtin class-name">echo</span> <span class="token string">"file is NULL"</span><span class="token punctuation">;</span> <span class="token keyword">fi</span><span aria-hidden="true" class="line-numbers-rows"><span></span></span></code></pre>
+
+<pre class="line-numbers language-bash" data-language="bash"><code class="language-bash">–b 当file存在并且是块文件时返回真
+-c 当file存在并且是字符文件时返回真
+-d 当pathname存在并且是一个目录时返回真
+-e 判断对象是否存在
+-f 判断对象是否存在，并且为常规文件
+-L 判断对象是否存在，并且为符号链接
+-h 判断对象是否存在，并且为软链接
+-k 当由pathname指定的文件或目录存在并且设置了“粘滞”位时返回真
+-p 当file存在并且是命令管道时返回为真
+-r 当由pathname指定的文件或目录存在并且可读时返回为真
+-s 判断对象是否存在，并且长度不为0
+-r 判断对象是否存在，并且可读
+-u 当由pathname指定的文件或目录存在并且设置了SUID位时返回真
+-w 判断对象是否存在，并且可写
+-o 当由pathname指定的文件或目录存在并且被子当前进程的有效用户ID所指定的用户拥有时返回真
+-x 判断对象是否存在，并且可执行
+-O 判断对象是否存在，并且属于当前用户
+-G 判断对象是否存在，并且属于当前用户组
+-nt 判断file1是否比file2新
+-ot 判断file1是否比file2旧<span aria-hidden="true" class="line-numbers-rows"><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span><span></span></span></code></pre>
 
             </div>
             <hr/>

diff --git a/2023/10/12/R-library-install/index.html b/2023/10/12/R-library-install/index.html
@@ -838,18 +838,17 @@ <h1 class="description center-align post-title">R 包安装</h1>
 <article id="prenext-posts" class="prev-next articles">
     <div class="row article-row">
 
-        <div class="article col s12 m6" data-aos="fade-up" data-aos="fade-up">
+        <div class="article col s12 m6" data-aos="fade-up">
             <div class="article-badge left-badge text-color">
-                <i class="far fa-dot-circle"></i>&nbsp;本篇
-            </div>
+                <i class="fas fa-chevron-left"></i>&nbsp;上一篇</div>
             <div class="card">
-                <a href="/2023/10/12/R-library-install/">
+                <a href="/2023/10/20/R-script-edit/">
                     <div class="card-image">
 
 
-                        <img src="/medias/featureimages/27.jpg" class="responsive-img" alt="R 包安装">
+                        <img src="/medias/featureimages/18.jpg" class="responsive-img" alt="R 脚本编写指南">
 
-                        <span class="card-title">R 包安装</span>
+                        <span class="card-title">R 脚本编写指南</span>
                     </div>
                 </a>
                 <div class="card-content article-content">
@@ -859,9 +858,9 @@ <h1 class="description center-align post-title">R 包安装</h1>
 
                     </div>
                     <div class="publish-info">
-                            <span class="publish-date">
-                                <i class="far fa-clock fa-fw icon-date"></i>2023-10-12
-                            </span>
+                        <span class="publish-date">
+                            <i class="far fa-clock fa-fw icon-date"></i>2023-10-20
+                        </span>
                         <span class="publish-author">
 
                             <i class="fas fa-bookmark fa-fw icon-category"></i>
@@ -874,24 +873,15 @@ <h1 class="description center-align post-title">R 包安装</h1>
                         </span>
                     </div>
                 </div>
-
 
                 <div class="card-action article-tags">
 
-                    <a href="/tags/devtools/">
-                        <span class="chip bg-color">devtools</span>
-                    </a>
-
-                    <a href="/tags/tidyverse/">
-                        <span class="chip bg-color">tidyverse</span>
-                    </a>
-
-                    <a href="/tags/leafcutter/">
-                        <span class="chip bg-color">leafcutter</span>
+                    <a href="/tags/R/">
+                        <span class="chip bg-color">R</span>
                     </a>
 
-                    <a href="/tags/BiocManager/">
-                        <span class="chip bg-color">BiocManager</span>
+                    <a href="/tags/script/">
+                        <span class="chip bg-color">script</span>
                     </a>
 
                 </div>