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<!DOCTYPE html>
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<title>lolcat-c | Home</title>
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<h1>lolcat-c</h1>
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<li><a href="/">jaseg.de</a></li>
<li><a href="/projects/">Projects</a></li><li><a href="/projects/lolcat-c/">lolcat-c</a></li>
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<div class="document">
<div class="section" id="what">
<h2>What?</h2>
<img alt="LOLCat-Rainbow.jpg" src="LOLCat-Rainbow.jpg" />
</div>
<div class="section" id="screenshot">
<h2>Screenshot</h2>
<img alt="screenshot.png" src="screenshot.png" />
<img alt="sl.gif" src="sl.gif" />
</div>
<div class="section" id="installation">
<h2>Installation</h2>
<div class="section" id="archlinux">
<h3>Archlinux</h3>
<p>There's an <a class="reference external" href="https://aur.archlinux.org/packages/c-lolcat">AUR package</a>:</p>
<pre class="code sh literal-block">
<span class="lineno"></span><span class="line">$<span class="w"> </span>git<span class="w"> </span>clone<span class="w"> </span>https://aur.archlinux.org/packages/c-lolcat<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span>$<span class="w"> </span><span class="nb">cd</span><span class="w"> </span>c-lolcat<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span>$<span class="w"> </span>makepkg<span class="w"> </span>-csi
</span></pre>
</div>
<div class="section" id="fedora">
<h3>Fedora</h3>
<pre class="code sh literal-block">
<span class="lineno"></span><span class="line">$<span class="w"> </span>dnf<span class="w"> </span>install<span class="w"> </span>lolcat
</span></pre>
</div>
<div class="section" id="ubuntu-snap">
<h3>Ubuntu (Snap)</h3>
<p>See <a class="reference external" href="https://blog.simos.info/how-to-make-a-snap-package-for-lolcat-with-snapcraft-on-ubuntu/">this awesome blog post by a kind person from the internet</a>:</p>
<pre class="code sh literal-block">
<span class="lineno"></span><span class="line">$<span class="w"> </span>snap<span class="w"> </span>install<span class="w"> </span>lolcat-c
</span></pre>
</div>
<div class="section" id="mac">
<h3>Mac</h3>
<p>Build loclcat with:</p>
<pre class="code sh literal-block">
<span class="lineno"></span><span class="line">$<span class="w"> </span>make<span class="w"> </span>lolcat
</span></pre>
<p>...and put the resulting binary at a place of your choice.</p>
</div>
<div class="section" id="others">
<h3>Others</h3>
<pre class="code sh literal-block">
<span class="lineno"></span><span class="line">$<span class="w"> </span>make<span class="w"> </span><span class="o">&&</span><span class="w"> </span>sudo<span class="w"> </span>make<span class="w"> </span>install
</span></pre>
</div>
</div>
<div class="section" id="why">
<h2>Why?</h2>
<p>This <cite>lolcat</cite> clone is an attempt to reduce the world's carbon dioxide emissions by optimizing inefficient code. It's
>10x as fast and <0.1% as large as the original one.</p>
<pre class="code sh literal-block">
<span class="lineno"></span><span class="line">newton~/d/lolcat<span class="w"> </span><<span class="m">3</span><span class="w"> </span>dmesg>foo<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span>newton~/d/lolcat<span class="w"> </span><<span class="m">3</span><span class="w"> </span><span class="nb">time</span><span class="w"> </span>upstream/bin/lolcat<span class="w"> </span>foo<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span><span class="m">13</span>.51user<span class="w"> </span><span class="m">1</span>.34system<span class="w"> </span><span class="m">0</span>:15.99elapsed<span class="w"> </span><span class="m">92</span>%CPU<span class="w"> </span><span class="o">(</span>0avgtext+0avgdata<span class="w"> </span>10864maxresident<span class="o">)</span>k<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span>0inputs+0outputs<span class="w"> </span><span class="o">(</span>0major+1716minor<span class="o">)</span>pagefaults<span class="w"> </span>0swaps<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span>newton~/d/lolcat<span class="w"> </span><<span class="m">3</span><span class="w"> </span><span class="nb">time</span><span class="w"> </span>./lolcat<span class="w"> </span>foo<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span><span class="m">0</span>.02user<span class="w"> </span><span class="m">0</span>.00system<span class="w"> </span><span class="m">0</span>:00.09elapsed<span class="w"> </span><span class="m">34</span>%CPU<span class="w"> </span><span class="o">(</span>0avgtext+0avgdata<span class="w"> </span>1936maxresident<span class="o">)</span>k<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span>0inputs+0outputs<span class="w"> </span><span class="o">(</span>0major+117minor<span class="o">)</span>pagefaults<span class="w"> </span>0swaps
</span></pre>
<p>Bonus comparison with <a class="reference external" href="https://github.com/tehmaze/lolcat/">python-lolcat</a>:</p>
<pre class="code sh literal-block">
<span class="lineno"></span><span class="line">newton~/d/lolcat<span class="w"> </span><<span class="m">3</span><span class="w"> </span>dmesg>foo<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span>$<span class="w"> </span><span class="nb">time</span><span class="w"> </span>python-lolcat<span class="w"> </span>foo<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span><span class="m">12</span>.27user<span class="w"> </span><span class="m">0</span>.00system<span class="w"> </span><span class="m">0</span>:12.29elapsed<span class="w"> </span><span class="m">99</span>%CPU<span class="w"> </span><span class="o">(</span>0avgtext+0avgdata<span class="w"> </span>11484maxresident<span class="o">)</span>k<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span>0inputs+0outputs<span class="w"> </span><span class="o">(</span>0major+1627minor<span class="o">)</span>pagefaults<span class="w"> </span>0swaps<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span>$<span class="w"> </span><span class="nb">time</span><span class="w"> </span>c-lolcat<span class="w"> </span>foo<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span><span class="m">0</span>.29user<span class="w"> </span><span class="m">0</span>.00system<span class="w"> </span><span class="m">0</span>:00.30elapsed<span class="w"> </span><span class="m">98</span>%CPU<span class="w"> </span><span class="o">(</span>0avgtext+0avgdata<span class="w"> </span>468maxresident<span class="o">)</span>k<span class="w"></span></span>
<span class="lineno"></span><span class="line"><span class="w"></span>0inputs+0outputs<span class="w"> </span><span class="o">(</span>0major+21minor<span class="o">)</span>pagefaults<span class="w"> </span>0swaps
</span></pre>
<p>(Read: <cite>c-lolcat << python-lolcat << ruby-lolcat</cite>)</p>
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