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copied!<pre><code>readlink -f "$path" </code></pre> <p><sup>Editor's note: The above works with <em>GNU</em> <code>readlink</code> and <em>FreeBSD/PC-BSD/OpenBSD</em> <code>readlink</code>, but <em>not</em> on OS X as of 10.11.<br> <em>GNU</em> <code>readlink</code> offers additional, related options, such as <code>-m</code> for resolving a symlink whether or not the ultimate target exists.</sup></p> <p>Note since GNU coreutils 8.15 (2012-01-06), there is a <strong>realpath</strong> program available that is less obtuse and more flexible than the above. It's also compatible with the FreeBSD util of the same name. It also includes functionality to generate a relative path between two files.</p> <pre><code>realpath $path </code></pre> <hr> <p>[Admin addition below from comment by <a href="/users/65889/halloleo">halloleo</a> —<a href="/users/65889/danorton">danorton] </a></p> <p>For Mac OS X (through at least 10.11.x), use <code>readlink</code> without the <code>-f</code> option:</p> <pre><code>readlink $path </code></pre> <p><sup>Editor's note: This will not resolve symlinks <em>recursively</em> and thus won't report the <em>ultimate</em> target; e.g., given symlink <code>a</code> that points to <code>b</code>, which in turn points to <code>c</code>, this will only report <code>b</code> (and won't ensure that it is output as an <em>absolute path</em>).<br> Use the following <code>perl</code> command on OS X to fill the gap of the missing <code>readlink -f</code> functionality:<br> <code>perl -MCwd -le 'print Cwd::abs_path(shift)' "$path"</code></sup></p>

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