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<h1>Mieux que grep</h1>
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<h1 id="mise-à-jour">Mise à jour</h1>
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<p>Comme <a href="http://www.theworkinggeek.com">Andy Lester</a> me l’a fait remarqué. <a href="http://betterthangrep.com"><code>ack</code></a> est un simple fichier perl qu’il suffit de copier dans son répertoire personnel <code>~/bin</code>. Maintenant j’ai <code>ack</code> sur mon serveur professionnel.</p>
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<p>Il suffit d’aller sur <a href="http://betterthangrep.com">http://betterthangrep.com</a> pour le télécharger.</p>
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<p>Sincèrement, je ne comprend pas qu’<code>ack</code> ne soit pas une commande implémentée par défaut sur les systèmes UNIX. Je ne peux vraiment plus m’en passer, il m’est devenu aussi essentiel qu’un <code>which</code> ou un <code>find</code>.</p>
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<h1 id="mieux-que-grep">Mieux que grep</h1>
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<p>Un des mes usages principaux de <code>grep</code> est</p>
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<div class="sourceCode" id="cb1"><pre class="sourceCode zsh"><code class="sourceCode zsh"><a class="sourceLine" id="cb1-1" title="1"><span class="kw">grep</span> <span class="st">'pattern'</span> **/*<span class="kw">(.)</span></a></code></pre></div>
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<p>La plupart du temps c’est suffisant, mais ajouter de la coloration améliore beaucoup l’utilité de cette commande. Il existe déjà un outil pour ça : il s’appelle <code>ack-grep</code> sous Ubuntu. Comme je ne peux pas l’installer sur le serveur de mon entreprise, j’en ai créé un moi-même en quelques lignes :</p>
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<div class="sourceCode" id="cb2"><pre class="sourceCode zsh"><code class="sourceCode zsh"><a class="sourceLine" id="cb2-1" title="1"><span class="co">#!/usr/bin/env zsh</span></a>
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<a class="sourceLine" id="cb2-2" title="2"><span class="kw">((</span><span class="ot">$#</span><1<span class="kw">))</span> <span class="kw">&&</span> <span class="kw">{</span> <span class="kw">print</span> <span class="st">'usage: ack "regexp"'</span> <span class="kw">>&2</span>; <span class="kw">exit</span> 1 <span class="kw">}</span></a>
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<a class="sourceLine" id="cb2-3" title="3"></a>
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<a class="sourceLine" id="cb2-4" title="4"><span class="ot">listeFic=(</span> **/*(.<span class="ot">)</span> )</a>
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<a class="sourceLine" id="cb2-5" title="5"><span class="kw">autoload</span> zargs</a>
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<a class="sourceLine" id="cb2-6" title="6">zargs -- <span class="ot">$listeFic</span> -- <span class="kw">grep</span> <span class="ot">$1</span> <span class="kw">|</span> <span class="kw">perl</span> -ne <span class="st">'use Term::ANSIColor;</span></a>
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<a class="sourceLine" id="cb2-7" title="7"><span class="st">if (m/([^:]*)(:.*)('</span><span class="ot">$1</span><span class="st">')(.*)/) {</span></a>
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<a class="sourceLine" id="cb2-8" title="8"><span class="st"> print color("green").$1;</span></a>
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<a class="sourceLine" id="cb2-9" title="9"><span class="st"> print color("reset").$2;</span></a>
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<a class="sourceLine" id="cb2-10" title="10"><span class="st"> print color("black","on_yellow").$3;</span></a>
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<a class="sourceLine" id="cb2-11" title="11"><span class="st"> print color("reset").$4."\n";</span></a>
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<a class="sourceLine" id="cb2-12" title="12"><span class="st">} '</span></a></code></pre></div>
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<p>Pour mon utilisation personnelle et celle de mon équipe c’est suffisant. J’espère que ça pourra vous aider.</p>
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