<h1 id="introduction-to-sed---part-4">Introduction to sed - part 4</h1>
<p>In the <a href="https://hackerpublicradio.org/eps.php?id=1997" title="Introduction to sed - part 3">last episode</a> we looked at some of the more frequently used <code>sed</code> commands, having spent previous episodes looking at the <strong>s</strong> command, and we also covered the concept of line addressing.</p>
<p>In this episode we will look at how <code>sed</code> really works in all the gory details, examine some of the remaining <code>sed</code> commands and begin to build useful <code>sed</code> programs.</p>
<p>To read the rest of the notes for this episode follow this link: <a href="https://hackerpublicradio.org/eps/hpr2011/full_shownotes.html" class="uri">https://hackerpublicradio.org/eps/hpr2011/full_shownotes.html</a></p>
<h2 id="links">Links</h2>
<ul>
<li><em>Introduction to sed - part 1</em>: <a href="https://hackerpublicradio.org/eps.php?id=1976" class="uri">https://hackerpublicradio.org/eps.php?id=1976</a></li>
<li><em>Introduction to sed - part 2</em>: <a href="https://hackerpublicradio.org/eps.php?id=1986" class="uri">https://hackerpublicradio.org/eps.php?id=1986</a></li>
<li><em>Introduction to sed - part 3</em>: <a href="https://hackerpublicradio.org/eps.php?id=1997" class="uri">https://hackerpublicradio.org/eps.php?id=1997</a></li>
<li><em>Some further Bash tips</em>: <a href="https://hackerpublicradio.org/eps.php?id=1903" class="uri">https://hackerpublicradio.org/eps.php?id=1903</a></li>
<li>GNU <code>sed</code> manual: <a href="https://www.gnu.org/software/sed/manual/sed.html" class="uri">https://www.gnu.org/software/sed/manual/sed.html</a></li>
<li>Wikipedia entry for <code>sed</code>: <a href="https://en.wikipedia.org/wiki/Sed" class="uri">https://en.wikipedia.org/wiki/Sed</a></li>
<li>&quot;<em>Sed - An Introduction and Tutorial</em>&quot; by Bruce Barnett: <a href="https://www.grymoire.com/Unix/Sed.html" class="uri">https://www.grymoire.com/Unix/Sed.html</a></li>
<li>Wikibooks sed wiki: <a href="https://en.wikibooks.org/wiki/Sed" class="uri">https://en.wikibooks.org/wiki/Sed</a></li>
<li>Example files:
<ul>
<li>Demonstration Bash script: <a href="https://hackerpublicradio.org/eps/hpr2011/demo3.sh" class="uri">https://hackerpublicradio.org/eps/hpr2011/demo3.sh</a></li>
<li>Demonstration of '<em>M</em>' modifier: <a href="https://hackerpublicradio.org/eps/hpr2011/demo4.sed" class="uri">https://hackerpublicradio.org/eps/hpr2011/demo4.sed</a></li>
</ul></li>
<li>Wikipedia entry for &quot;<em>Pig Latin</em>&quot;: <a href="https://en.wikipedia.org/wiki/Pig_Latin" class="uri">https://en.wikipedia.org/wiki/Pig_Latin</a></li>
</ul>