force use of pandoc version >= 3.1.12.2
The `bin/pandoc-wrapper.sh` tool will verify that the ssytem has a recent enough version of `pandoc(1)`. We explain why we insist on `pandoc(1)`. version >= 3.1.12.2 in comments where the $PANDOC_MIN_VERSION is set. Added `--wrap=preserve` as a default argument to `pandoc(1)`. While this change will impact every HTML file generated, we believe this will improve the ability of someone to look at the generated HTML and correlate with the original markdown. Changed `bin/pandoc-wrapper.sh` VERSION from "1.4.2 2024-03-17" to "1.4.3 2024-03-18". Performed `make www` to achieve all of the above and to generate HTML using the new `--wrap=preserve` `pandoc(1)` mode.
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@@ -129,9 +129,9 @@
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<h2 id="author"><a name="author"></a>Author:</h2>
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<ul>
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<li>Name: <a href="../../authors.html#J_David_Lowe">J. David
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Lowe</a><br> Location: <a href="../../location.html#US">US</a> -
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<em>United States of America</em> (<em>United States</em>) <br><br></li>
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<li>Name: <a href="../../authors.html#J_David_Lowe">J. David Lowe</a><br>
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Location: <a href="../../location.html#US">US</a> - <em>United States of America</em> (<em>United States</em>)
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<br><br></li>
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</ul>
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<!-- END: next line ends content generated by: bin/output-index-author.sh -->
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@@ -144,12 +144,10 @@ Lowe</a><br> Location: <a href="../../location.html#US">US</a> -
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<h3 id="bugs-and-misfeatures">Bugs and (Mis)features:</h3>
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<p>The current status of this entry is:</p>
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<pre><code>STATUS: INABIAF - please **DO NOT** fix</code></pre>
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<p>For more detailed information see <a
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href="../../bugs.html#2013_dlowe">2013 dlowe bugs</a>.</p>
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<p>For more detailed information see <a href="../../bugs.html#2013_dlowe">2013 dlowe bugs</a>.</p>
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<h2 id="to-use">To use:</h2>
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<div class="sourceCode" id="cb3"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="ex">./dlowe</span> <span class="pp">[</span><span class="ss">number...</span><span class="pp">]</span></span></code></pre></div>
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<p>where <code>[number...]</code> is one or more number, space
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separated.</p>
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<p>where <code>[number...]</code> is one or more number, space separated.</p>
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<h2 id="try">Try:</h2>
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<div class="sourceCode" id="cb4"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="ex">./try.sh</span></span></code></pre></div>
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<p>What is different about the above if you do something like:</p>
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@@ -157,14 +155,13 @@ separated.</p>
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<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="ex">./try.sh</span></span>
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<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="fu">rm</span> <span class="at">-f</span> ioccc.txt</span></code></pre></div>
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<p>?</p>
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<p>To make it simpler to see try showing just the different line
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like:</p>
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<p>To make it simpler to see try showing just the different line like:</p>
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<div class="sourceCode" id="cb6"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="ex">./diff.sh</span></span></code></pre></div>
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<h2 id="judges-remarks">Judges’ remarks:</h2>
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<p>We liked how this entry used Unicode, specifically UTF-8, in a
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somewhat obfuscated way.</p>
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<p>Also, why doesn’t it crash but instead produces a correct output when
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called with one argument or when all arguments are equal?</p>
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<p>We liked how this entry used Unicode, specifically UTF-8, in a somewhat
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obfuscated way.</p>
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<p>Also, why doesn’t it crash but instead produces a correct output when called
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with one argument or when all arguments are equal?</p>
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<p>For extra fun, compile and run <a href="fun.c">fun.c</a>:</p>
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<div class="sourceCode" id="cb7"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="pp">#include </span><span class="im"><stdio.h></span></span>
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<span id="cb7-2"><a href="#cb7-2" aria-hidden="true" tabindex="-1"></a><span class="dt">int</span> main<span class="op">()</span> <span class="op">{</span></span>
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@@ -175,115 +172,83 @@ called with one argument or when all arguments are equal?</p>
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<pre><code>-2147483648 -2147483648 -2147483648</code></pre>
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<p>and with clang (3.3), we get</p>
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<pre><code>-2147483648 0 2147483647</code></pre>
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<p>and with Apple clang version 15.0.0 (clang-1500.0.40.1) in 2023, we
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get:</p>
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<p>and with Apple clang version 15.0.0 (clang-1500.0.40.1) in 2023, we get:</p>
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<pre><code>1840985120 -2033041452 35979112</code></pre>
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<p>Which one is correct? :)</p>
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<p>NOTE: <code>make all</code> will compile <a href="fun.c">fun.c</a>
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but to provide a different compiler you can do something like:</p>
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<div class="sourceCode" id="cb11"><pre
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class="sourceCode sh"><code class="sourceCode bash"><span id="cb11-1"><a href="#cb11-1" aria-hidden="true" tabindex="-1"></a><span class="fu">make</span> CC=clang fun</span></code></pre></div>
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<p>NOTE: <code>make all</code> will compile <a href="fun.c">fun.c</a> but to provide a different compiler
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you can do something like:</p>
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<div class="sourceCode" id="cb11"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb11-1"><a href="#cb11-1" aria-hidden="true" tabindex="-1"></a><span class="fu">make</span> CC=clang fun</span></code></pre></div>
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<h2 id="authors-remarks">Author’s remarks:</h2>
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<h3 id="sparkl">sparkl</h3>
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<p>A tiny implementation of command-line <a
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href="https://en.wikipedia.org/wiki/Sparkline">sparkline</a> data
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visualization.</p>
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<p>A tiny implementation of command-line
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<a href="https://en.wikipedia.org/wiki/Sparkline">sparkline</a> data visualization.</p>
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<h3 id="synopsis">Synopsis</h3>
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<div class="sourceCode" id="cb12"><pre
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class="sourceCode sh"><code class="sourceCode bash"><span id="cb12-1"><a href="#cb12-1" aria-hidden="true" tabindex="-1"></a><span class="ex">$</span> ./sparkl 0 1 2 3 4 5 6 7</span>
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<div class="sourceCode" id="cb12"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb12-1"><a href="#cb12-1" aria-hidden="true" tabindex="-1"></a><span class="ex">$</span> ./sparkl 0 1 2 3 4 5 6 7</span>
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<span id="cb12-2"><a href="#cb12-2" aria-hidden="true" tabindex="-1"></a><span class="ex">▁▂▃▄▅▆▇▉</span></span>
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<span id="cb12-3"><a href="#cb12-3" aria-hidden="true" tabindex="-1"></a></span>
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<span id="cb12-4"><a href="#cb12-4" aria-hidden="true" tabindex="-1"></a><span class="ex">$</span> echo <span class="st">"sparkline of file lengths: </span><span class="va">$(</span><span class="fu">wc</span> <span class="at">-c</span> <span class="pp">*</span> <span class="kw">|</span> <span class="fu">awk</span> <span class="st">'{print $1}'</span> <span class="kw">|</span> <span class="fu">xargs</span> ./sparkl<span class="va">)</span><span class="st">"</span></span>
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<span id="cb12-5"><a href="#cb12-5" aria-hidden="true" tabindex="-1"></a><span class="ex">sparkline</span> of file sizes: ▁▁▁▃▃▂▁▂▁▁▉</span></code></pre></div>
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<p>NOTE: this has been provided in <a href="slflen.sh">slflen.sh</a> so
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you can try:</p>
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<div class="sourceCode" id="cb13"><pre
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class="sourceCode sh"><code class="sourceCode bash"><span id="cb13-1"><a href="#cb13-1" aria-hidden="true" tabindex="-1"></a><span class="ex">./slflen.sh</span></span></code></pre></div>
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<p>NOTE: this has been provided in <a href="slflen.sh">slflen.sh</a> so you can try:</p>
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<div class="sourceCode" id="cb13"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb13-1"><a href="#cb13-1" aria-hidden="true" tabindex="-1"></a><span class="ex">./slflen.sh</span></span></code></pre></div>
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<p>instead (which <a href="try.sh">try.sh</a> also uses).</p>
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<h3 id="description">Description</h3>
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<p>This is a handy little tool for visualizing numeric series from the
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command line, using sparklines. Pass it a numeric series as arguments,
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and <code>sparkl</code> will display a sparkline graph, which you can
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use to very quickly get a sense of the shape of your data.</p>
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command line, using sparklines. Pass it a numeric series as arguments, and
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<code>sparkl</code> will display a sparkline graph, which you can use to very quickly get a
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sense of the shape of your data.</p>
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<h3 id="limitations">Limitations</h3>
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<ul>
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<li>Crashes with 0 arguments. It’d be trivial to fix, but adds a few
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bytes to the code.</li>
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<li>Crashes with 0 arguments. It’d be trivial to fix, but adds a few bytes to the
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code.</li>
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<li>Produces bogus graphs when given > about 5000 arguments.</li>
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<li>Only works if your terminal is UTF-8 and your font supports the 8
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glyphs used.</li>
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<li>Only works if your terminal is UTF-8 and your font supports the 8 glyphs
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used.</li>
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<li>Produces a few harmless compiler warnings.</li>
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</ul>
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<h3 id="obfuscation">Obfuscation</h3>
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<p>The code is very terse. I was torn between submitting this version,
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and a one-line version compressed using a couple more <code>-D</code>
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flags.</p>
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<p>Hand-rolled UTF-8 sequence, magic numbers (what’s that 7 for?),
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meaningless variable names, reused variables, and so on.</p>
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<p>The code is very terse. I was torn between submitting this version, and a
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one-line version compressed using a couple more <code>-D</code> flags.</p>
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<p>Hand-rolled UTF-8 sequence, magic numbers (what’s that 7 for?), meaningless
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variable names, reused variables, and so on.</p>
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<h3 id="acknowledgements">Acknowledgements</h3>
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<p>Edward Tufte invented sparklines (among other things.) Brilliant.</p>
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<p>Zach Holman’s <a href="https://github.com/holman/spark">‘spark’
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utility</a> was absolutely an inspiration.</p>
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<p>As I was writing up this description, I discovered I’m not the first
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person to write an obfuscated C sparkline utility! Vicent Martí created
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<a href="https://gist.github.com/vmg/1368661">this one</a> years (!)
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ago. (My implementation is completely independent.)</p>
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<h2 id="copyright-and-cc-by-sa-4.0-license">Copyright and CC BY-SA 4.0
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||||
License:</h2>
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||||
<p>This file is Copyright (c) 2023 by Landon Curt Noll. All Rights
|
||||
Reserved. You are free to share and adapt this file under the terms of
|
||||
this license:</p>
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||||
<p>Zach Holman’s <a href="https://github.com/holman/spark">‘spark’ utility</a> was absolutely
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an inspiration.</p>
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<p>As I was writing up this description, I discovered I’m not the first person to
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write an obfuscated C sparkline utility! Vicent Martí created
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<a href="https://gist.github.com/vmg/1368661">this one</a> years (!) ago. (My
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implementation is completely independent.)</p>
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||||
<h2 id="copyright-and-cc-by-sa-4.0-license">Copyright and CC BY-SA 4.0 License:</h2>
|
||||
<p>This file is Copyright (c) 2023 by Landon Curt Noll. All Rights Reserved.
|
||||
You are free to share and adapt this file under the terms of this license:</p>
|
||||
<pre><code>Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)</code></pre>
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||||
<p>For more information, see:
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||||
https://creativecommons.org/licenses/by-sa/4.0/</p>
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||||
<p>For more information, see: https://creativecommons.org/licenses/by-sa/4.0/</p>
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<!-- START: this line starts content generated by: bin/output-index-inventory.sh -->
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<h1 id="inventory-for-2013dlowe"><a name="inventory"></a>Inventory for
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2013/dlowe</h1>
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<h1 id="inventory-for-2013dlowe"><a name="inventory"></a>Inventory for 2013/dlowe</h1>
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<p><a href="#top">Jump to top</a></p>
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<h2 id="primary-files">Primary files</h2>
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<ul>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/dlowe.c">dlowe.c</a>
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- entry source</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/Makefile">Makefile</a>
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- entry Makefile</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/dlowe.orig.c">dlowe.orig.c</a>
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- original source</li>
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<li><a
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||||
href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/diff.sh">diff.sh</a>
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- difference tool</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/fun.c">fun.c</a>
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- compile and run for extra run</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/slflen.sh">slflen.sh</a>
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- generate sparkline of file lengths</li>
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<li><a
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href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/try.sh">try.sh</a>
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||||
- how to run</li>
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<li><a href="2013_dlowe.tar.bz2">2013_dlowe.tar.bz2</a> - download entry
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||||
source</li>
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||||
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/dlowe.c">dlowe.c</a> - entry source</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/Makefile">Makefile</a> - entry Makefile</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/dlowe.orig.c">dlowe.orig.c</a> - original source</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/diff.sh">diff.sh</a> - difference tool</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/fun.c">fun.c</a> - compile and run for extra run</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/slflen.sh">slflen.sh</a> - generate sparkline of file lengths</li>
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<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/try.sh">try.sh</a> - how to run</li>
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<li><a href="2013_dlowe.tar.bz2">2013_dlowe.tar.bz2</a> - download entry source</li>
|
||||
</ul>
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||||
<h2 id="secondary-files">Secondary files</h2>
|
||||
<ul>
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||||
<li><a href="index.html">index.html</a> - entry home page</li>
|
||||
<li><a
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||||
href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/.entry.json">.entry.json</a>
|
||||
- description of entry in JSON</li>
|
||||
<li><a
|
||||
href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/.gitignore">.gitignore</a>
|
||||
- list of files that should not be committed under git</li>
|
||||
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/.entry.json">.entry.json</a> - description of entry in JSON</li>
|
||||
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/.gitignore">.gitignore</a> - list of files that should not be committed under git</li>
|
||||
<li><a href=".path">.path</a> - directory path from top directory</li>
|
||||
<li><a
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||||
href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/README.md">README.md</a>
|
||||
- markdown source for index.html</li>
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||||
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2013/dlowe/README.md">README.md</a> - markdown source for index.html</li>
|
||||
</ul>
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||||
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||||
<!-- END: next line ends content generated by: bin/output-index-inventory.sh -->
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Reference in new issue
Block a user