https://abelgvidal.com/tags/linux/Recent content in Linux on Abel G. VidalHugoenFri, 03 Jan 2025 20:03:54 +0100https://abelgvidal.com/posts/recursive-bash/Fri, 03 Jan 2025 20:03:54 +0100https://abelgvidal.com/posts/recursive-bash/<p>In Bash, when we run the command <code>type type type type</code>, we observe a peculiar behavior: it executes three times instead of once or four times. This phenomenon is fascinating and is due to how Bash processes arguments and how the <code>type</code> command specifically works.</p> <h2 id="the-behavior-of-type">The behavior of <code>type</code></h2> <p>The <code>type</code> command is a Bash builtin used to determine how Bash would interpret a command name. When we execute:</p> <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="color:#6639ba">type</span> <span style="color:#6639ba">type</span> <span style="color:#6639ba">type</span> <span style="color:#6639ba">type</span> </span></span></code></pre></div><p>We get an output similar to this:</p>