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Diffstat (limited to 'posts/3')
| -rw-r--r-- | posts/3/index.html | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/posts/3/index.html b/posts/3/index.html index 1a5acd0..bef5f11 100644 --- a/posts/3/index.html +++ b/posts/3/index.html @@ -125,7 +125,7 @@ delete file foo every minute * * * * * rm foo delete file foo every 15 minutes 1 <h3 id="crontab">Crontab</h3> <p><code>crontab</code> is a useful tool, I really regret that I don’t familar it earlier.</p> <p>It’s usage really simple, and these two are my frequent using:</p> -<div class="highlight"><pre tabindex="0" style="background-color:#fff;-moz-tab-size:2;-o-tab-size:2;tab-size:2;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>crontab -e <span style="font-style:italic">#edit crontab file that reside in /var/spool/cron</span> +<div class="highlight"><pre tabindex="0" style="background-color:#fff;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>crontab -e <span style="font-style:italic">#edit crontab file that reside in /var/spool/cron</span> </span></span><span style="display:flex;"><span>crontab -l <span style="font-style:italic">#list current crontab job</span> </span></span></code></pre></div><p>It basic syntax as follow, also really simple <img src="https://assets.garhve.com/pictures/screenshots/2022/08/1857817000.jpg" alt="crontab-layout.jpg"></p> @@ -185,7 +185,7 @@ e.g. <code>echo path/to/most/inner/file | cut -d '/' -f1</code> this will give m </blockquote> <h3 id="daily-update-bt-tracker">Daily update bt tracker</h3> <p>I already learn shell script for a while.. so I wrote a simple script to test whether I really got used to it, but result is obviously, I need more and more practice to memorize commands.</p> -<div class="highlight"><pre tabindex="0" style="background-color:#fff;-moz-tab-size:2;-o-tab-size:2;tab-size:2;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="">#! /bin/sh +<div class="highlight"><pre tabindex="0" style="background-color:#fff;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span><span style="">#! /bin/sh </span></span></span><span style="display:flex;"><span><span style=""></span><span style="font-style:italic">#bt-tracker.txt</span> </span></span><span style="display:flex;"><span>site=https://raw.githubusercontent.com/ngosang/trackerslist/master/trackers_all.txt </span></span><span style="display:flex;"><span> @@ -231,15 +231,15 @@ e.g. <code>echo path/to/most/inner/file | cut -d '/' -f1</code> this will give m <ul> <li>This will only search through those files which have .c or .h extensions:</li> </ul> -<div class="highlight"><pre tabindex="0" style="background-color:#fff;-moz-tab-size:2;-o-tab-size:2;tab-size:2;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>grep --include=<span style="font-weight:bold;font-style:italic">\*</span>.{c,h} -rnw <span style="font-style:italic">'/path/to/somewhere/'</span> -e <span style="font-style:italic">"pattern"</span> +<div class="highlight"><pre tabindex="0" style="background-color:#fff;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>grep --include=<span style="font-weight:bold;font-style:italic">\*</span>.{c,h} -rnw <span style="font-style:italic">'/path/to/somewhere/'</span> -e <span style="font-style:italic">"pattern"</span> </span></span></code></pre></div><ul> <li>This will exclude searching all the files ending with .o extension:</li> </ul> -<div class="highlight"><pre tabindex="0" style="background-color:#fff;-moz-tab-size:2;-o-tab-size:2;tab-size:2;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>grep --exclude=<span style="font-weight:bold;font-style:italic">\*</span>.o -rnw <span style="font-style:italic">'/path/to/somewhere/'</span> -e <span style="font-style:italic">"pattern"</span> +<div class="highlight"><pre tabindex="0" style="background-color:#fff;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>grep --exclude=<span style="font-weight:bold;font-style:italic">\*</span>.o -rnw <span style="font-style:italic">'/path/to/somewhere/'</span> -e <span style="font-style:italic">"pattern"</span> </span></span></code></pre></div><ul> <li>For directories it’s possible to exclude one or more directories using the <code>--exclude-dir</code> parameter. For example, this will exclude the dirs dir1/, dir2/ and all of them matching *.dst/:</li> </ul> -<div class="highlight"><pre tabindex="0" style="background-color:#fff;-moz-tab-size:2;-o-tab-size:2;tab-size:2;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>grep --exclude-dir={dir1,dir2,*.dst} -rnw <span style="font-style:italic">'/path/to/somewhere/'</span> -e <span style="font-style:italic">"pattern"</span> +<div class="highlight"><pre tabindex="0" style="background-color:#fff;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>grep --exclude-dir={dir1,dir2,*.dst} -rnw <span style="font-style:italic">'/path/to/somewhere/'</span> -e <span style="font-style:italic">"pattern"</span> </span></span></code></pre></div><p>more info could see <a href="https://ss64.com/bash/grep.html"><code>man grep</code></a>.</p> </blockquote> |