forked from lijiext/lammps
235 lines
7.4 KiB
HTML
235 lines
7.4 KiB
HTML
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<title>log command — LAMMPS documentation</title>
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<a href="Manual.html" class="icon icon-home"> LAMMPS
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="Section_intro.html">1. Introduction</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_start.html">2. Getting Started</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_commands.html">3. Commands</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_packages.html">4. Packages</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_accelerate.html">5. Accelerating LAMMPS performance</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_howto.html">6. How-to discussions</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_example.html">7. Example problems</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_perf.html">8. Performance & scalability</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_tools.html">9. Additional tools</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_modify.html">10. Modifying & extending LAMMPS</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_python.html">11. Python interface to LAMMPS</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_errors.html">12. Errors</a></li>
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<li class="toctree-l1"><a class="reference internal" href="Section_history.html">13. Future and history</a></li>
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<a href="Manual.html">LAMMPS</a>
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<li><a href="Manual.html">Docs</a> »</li>
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<li>log command</li>
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<li class="wy-breadcrumbs-aside">
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<a href="http://lammps.sandia.gov">Website</a>
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<a href="Section_commands.html#comm">Commands</a>
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</ul>
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</div>
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<div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
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<div itemprop="articleBody">
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<div class="section" id="log-command">
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<span id="index-0"></span><h1>log command</h1>
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<div class="section" id="syntax">
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<h2>Syntax</h2>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">log</span> <span class="n">file</span> <span class="n">keyword</span>
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</pre></div>
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</div>
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<ul class="simple">
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<li>file = name of new logfile</li>
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<li>keyword = <em>append</em> if output should be appended to logfile (optional)</li>
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</ul>
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</div>
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<div class="section" id="examples">
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<h2>Examples</h2>
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<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">log</span> <span class="n">log</span><span class="o">.</span><span class="n">equil</span>
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<span class="n">log</span> <span class="n">log</span><span class="o">.</span><span class="n">equil</span> <span class="n">append</span>
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</pre></div>
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</div>
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</div>
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<div class="section" id="description">
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<h2>Description</h2>
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<p>This command closes the current LAMMPS log file, opens a new file with
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the specified name, and begins logging information to it. If the
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specified file name is <em>none</em>, then no new log file is opened. If the
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optional keyword <em>append</em> is specified, then output will be appended
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to an existing log file, instead of overwriting it.</p>
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<p>If multiple processor partitions are being used, the file name should
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be a variable, so that different processors do not attempt to write to
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the same log file.</p>
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<p>The file “log.lammps” is the default log file for a LAMMPS run. The
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name of the initial log file can also be set by the command-line
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switch -log. See <a class="reference internal" href="Section_start.html#start-7"><span class="std std-ref">Section_start 6</span></a> for
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details.</p>
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</div>
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<div class="section" id="restrictions">
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<h2>Restrictions</h2>
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<blockquote>
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<div>none</div></blockquote>
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<p><strong>Related commands:</strong> none</p>
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</div>
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<div class="section" id="default">
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<h2>Default</h2>
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<p>The default LAMMPS log file is named log.lammps</p>
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</div>
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</div>
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<div role="contentinfo">
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<p>
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© Copyright 2013 Sandia Corporation.
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</p>
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