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<h1>The International Obfuscated C Code Contest</h1>
<h2>2019/burton - Best one liner</h2>
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<a class="Left" href="../adamovsky/index.html">&larr; adamovsky</a>
<a class="Left" href="../index.html">&uarr; 2019 &uarr;</a>
<a class="Left" href="../ciura/index.html">ciura &rarr;</a>
<a class="Right" href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/prog.c">C code</a>
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<h2 id="author">Author:</h2>
<ul>
<li>Name: <a href="../../authors.html#Dave_Burton">Dave Burton</a><br>
Location: <a href="../../location.html#US">US</a> - <em>United States of America</em> (<em>United States</em>)</li>
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<h2 id="to-build">To build:</h2>
<pre><code> make</code></pre>
<h3 id="bugs-and-misfeatures">Bugs and (Mis)features:</h3>
<p>The current status of this entry is:</p>
<pre><code> STATUS: INABIAF - please **DO NOT** fix</code></pre>
<p>For more detailed information see <a href="../../bugs.html#2019_burton">2019/burton in bugs.html</a>.</p>
<h2 id="to-use">To use:</h2>
<pre><code> ./prog &lt; file
./cow file</code></pre>
<h2 id="try">Try:</h2>
<pre><code> ./try.sh</code></pre>
<h2 id="judges-remarks">Judges’ remarks:</h2>
<p>A tiny, but punctually correct way of POSIX counting for text files. This one
line, one word, 127 character beauty continues to expand the number of classic
unix utilities available as winning entries.</p>
<p>You might find the author’s <a href="on.one.liners.txt">commentary on one liners</a>
interesting.</p>
<h2 id="authors-remarks">Author’s remarks:</h2>
<h3 id="synopsis">Synopsis:</h3>
<p>Feed it anything on <code>stdin</code>.
The output should look familiar.</p>
<p>Compiles cleanly with:</p>
<pre><code> WARN=&quot;-Wno-implicit-int -Wno-missing-variable-declarations -Wno-parentheses&quot;
cc -Wall -Wextra -Weverything -pedantic $WARN -include stdio.h -o prog prog.c</code></pre>
<h3 id="description">Description:</h3>
<p>Included is a test script, useful for the corner cases. As in all good Unix
programs, it is silent upon success; any output demonstrates an error. Instead
of checking correctness, the <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/check.sh">check.sh</a> script can simply output the
results: (The Makefile contains the spoiler):</p>
<pre><code> out=cat ./check.sh ./prog</code></pre>
<p>Interestingly, and a spoiler here: macOS and FreeBSD implement the common
utility “correctly”. CentOS and Ubuntu both share a “flawed” utility that
changes output format based upon input redirection or pipeline(!). As well, the
latter two also behave slightly differently on what they count as whitespace:
<code>\a</code> and <code>\b</code> are both counted whitespace(!), even though the relevant man pages
on these systems omit these characters from the description.</p>
<p>This program follows FreeBSD and macOS, the arbiters of correct for these purposes.</p>
<h3 id="limits">Limits:</h3>
<p>Requires the C locale and ASCII character set.
Input should be less than ten million octets “toavoidthisproblem”.</p>
<h3 id="see-also">See Also:</h3>
<p>You can enjoy this code from beginning to end.
No whitespace was harmed in the creation of this program.
All your base belong to us, but the constants seem a bit … off?</p>
<h3 id="bonus">Bonus</h3>
<p>The script <a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/cow.sh">cow.sh</a> provides a closer analog, and perhaps a more useful
interface.</p>
<p>Included is a version without compilation warnings:</p>
<pre><code> cc -Wall -Wextra -Weverything -pedantic -include stdio.h -o prog.clean prog.clean.c</code></pre>
<h3 id="bugs">Bugs</h3>
<p>The flags are not supported. Although they could easily be added into <code>cow.sh</code>.
This exercise left to the reader.</p>
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<h1 id="inventory-for-2019burton">Inventory for 2019/burton</h1>
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<h2 id="primary-files">Primary files</h2>
<ul>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/prog.c">prog.c</a> - entry source code</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/Makefile">Makefile</a> - entry Makefile</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/prog.orig.c">prog.orig.c</a> - original source code</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/check.sh">check.sh</a> - test suite</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/cow.sh">cow.sh</a> - an alternate implementation with a useful interface</li>
<li><a href="on.one.liners.txt">on.one.liners.txt</a> - on writing a winning IOCCC one-liner</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/try.sh">try.sh</a> - script to try entry</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/prog.clean.c">prog.clean.c</a> - version of source without compilation warnings</li>
</ul>
<h2 id="secondary-files">Secondary files</h2>
<ul>
<li><a href="2019_burton.tar.bz2">2019_burton.tar.bz2</a> - download entry tarball</li>
<li><a href="256">256</a> - test suite data</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/README.md">README.md</a> - markdown source for this web page</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/.entry.json">.entry.json</a> - entry summary and manifest in JSON</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/.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/2019/burton/newlines">newlines</a> - more useful interface</li>
<li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/2019/burton/.path">.path</a> - directory path from top level directory</li>
<li><a href="index.html">index.html</a> - this web page</li>
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