https://blog.ngsw.jp/tags/command/ Recent content in command on blog.ngsw.jp Hugo ja Wed, 17 Nov 2010 00:00:00 +0000 https://blog.ngsw.jp/2010/11/%E5%87%BA%E7%8F%BE%E6%95%B0%E3%82%AB%E3%82%A6%E3%83%B3%E3%83%88%E3%82%B3%E3%83%9E%E3%83%B3%E3%83%89/ Wed, 17 Nov 2010 00:00:00 +0000 https://blog.ngsw.jp/2010/11/%E5%87%BA%E7%8F%BE%E6%95%B0%E3%82%AB%E3%82%A6%E3%83%B3%E3%83%88%E3%82%B3%E3%83%9E%E3%83%B3%E3%83%89/ <div class="highlight"><div style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"> <table style="border-spacing:0;padding:0;margin:0;border:0;"><tr><td style="vertical-align:top;padding:0;margin:0;border:0;"> <pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1 </span></code></pre></td> <td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%"> <pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-c" data-lang="c"><span style="display:flex;"><span>command <span style="color:#ff79c6">|</span> format_command <span style="color:#ff79c6">|</span>sort <span style="color:#ff79c6">|</span>uniq <span style="color:#ff79c6">-</span>c <span style="color:#ff79c6">|</span>sort <span style="color:#ff79c6">-</span>nr </span></span></code></pre></td></tr></table> </div> </div><p>みたいな。</p> <div class="highlight"><div style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"> <table style="border-spacing:0;padding:0;margin:0;border:0;"><tr><td style="vertical-align:top;padding:0;margin:0;border:0;"> <pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1 </span></code></pre></td> <td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%"> <pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-c" data-lang="c"><span style="display:flex;"><span>zcat <span style="color:#ff79c6">/</span>var<span style="color:#ff79c6">/</span>log<span style="color:#ff79c6">/</span>httpd<span style="color:#ff79c6">/</span>access_log<span style="color:#ff79c6">*|</span>awk <span style="color:#ff79c6">-</span>F<span style="color:#f1fa8c">&#39; &#39;</span> &#39;{print $<span style="color:#bd93f9">1</span>}&#39;<span style="color:#ff79c6">|</span>sort <span style="color:#ff79c6">|</span>uniq <span style="color:#ff79c6">-</span>c <span style="color:#ff79c6">|</span>sort <span style="color:#ff79c6">-</span>nr </span></span></code></pre></td></tr></table> </div> </div><p>で [ 出現回数 IPアドレス ] と上から出現順位に出力される。</p> <div class="highlight"><div style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"> <table style="border-spacing:0;padding:0;margin:0;border:0;"><tr><td style="vertical-align:top;padding:0;margin:0;border:0;"> <pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1 </span></code></pre></td> <td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%"> <pre tabindex="0" style="color:#f8f8f2;background-color:#282a36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-text-size-adjust:none;"><code class="language-c" data-lang="c"><span style="display:flex;"><span><span style="color:#ff79c6">|</span> sort <span style="color:#ff79c6">|</span> uniq <span style="color:#ff79c6">-</span>c <span style="color:#ff79c6">|</span> sort <span style="color:#ff79c6">-</span>nr </span></span></code></pre></td></tr></table> </div> </div><p>が便利ということ。 なんでわざわざawk使ってるかと言えば、cutの切り出し方がいまいちわからないから。</p>