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<div id="content"><div id="content-area"><div id="article-title">Clon</div><div id="article">There are three packages by the name of CLON, although the third one doesn't actually introduce any conflict because the package is named <a href="https://github.com/didierverna/clon/blob/master/net.didierverna.clon.asd">net.didierverna.clon</a>.<p><h3> Clon: A cron-like scheduling library</h3><p>A <a href="Schedulers.html" class="internal">task scheduler library</a> much like cron for lisp that is implemented as a shallow layer on top of <a href="SBCL.html" class="internal">SBCL</a> timers. It's written by <a href="Gabor Melis.html" class="internal">Gabor Melis</a> and can be found at <a href="http://quotenil.com/clon/clon-latest.tar.gz">http://quotenil.com/clon/clon-latest.tar.gz</a>. It's <a href="https://github.com/igorpikman/clon">forked</a> near 2014 with some bug-fix. <p>It's then forked again by <a href="Jin-Cheng Guu.html" class="internal">Jin-Cheng Guu</a> in mid 2021 into his <a href="https://github.com/jcguu95/clon">repo</a>, aiming to let clon replace traditional cron managers. (It's renamed to <a href="cl-schedule.html" class="internal">cl-schedule</a> since v0.0.5 as there are too many name clashes.) The forked version also provides more examples, documents and features. In particular, in an example below we show how to make a schedule that does what a traditional cron manager would do for the control string <p><code>*/25 5-6,10 * 7 1-2</code><p>Long story short, it can be expressed as the following.<p><code>(make-typed-cron-schedule</code><p><code> :minute '(satisfies twenty-five-p)</code><p><code> :hour '(or (integer 5 6) (member 10))</code><p><code> :month 7</code><p><code> :day-of-week '(integer 0 1))</code><p><h3>Clon: Common Lisp Object Network</h3><p>CLON (Common Lisp Object Network) is a prototype-based object system for Common Lisp written by <a href="David O'Toole.html" class="internal">David O'Toole</a>. The details of inheritance, message passing, and field lookup are inspired by the Io language and the <a href="Garnet.html" class="internal">Garnet</a> UI toolkit (<a href="KR.html" class="internal">KR</a> in particular). It doesn't seem to be available anywhere. CLON is used in <a href="RLX.html" class="internal">RLX</a>, a game engine for rogue-like games.<p><h3>Clon: the Command-Line Options Nuker</h3><p>Clon is a library for managing command-line options in standalone Common Lisp applications. It provides a unified option syntax with both short and long names, automatic completion of partial names and automatic retrieval/conversion of option arguments from the command-line, associated environment variables, fallback or default values. Clon comes with a set of extensible option types (switches, paths, strings etc.). Clon also provides automatic generation and formatting of help strings, with support for highlighting on tty's through ISO/IEC 6429 SGR. This formatting is customizable through "themes".<p>Clon currently works on <a href="Unix.html" class="internal">Unix</a> (including <a href="MacOS X.html" class="internal">MacOS X</a>) and <a href="Windows.html" class="internal">Windows</a> (<a href="Cygwin.html" class="internal">Cygwin</a>, MinGW/MSYS) with <a href="SBCL.html" class="internal">SBCL</a>, <a href="CMUCL.html" class="internal">CMUCL</a>, <a href="CCL.html" class="internal">CCL</a>, <a href="ECL.html" class="internal">ECL</a>, <a href="CLISP.html" class="internal">CLISP</a>, <a href="ABCL.html" class="internal">ABCL</a>, <a href="Allegro.html" class="internal">Allegro</a> (both standard and modern) and <a href="LispWorks.html" class="internal">LispWorks</a>.<p>Clon is written by <a href="Didier Verna.html" class="internal">Didier Verna</a>.
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Clon's homepage is <a href="https://www.lrde.epita.fr/~didier/software/lisp/clon.php">here</a>.<p><hr>
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<a href="command-line options parser.html" class="category">command-line options parser</a></div></div>
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