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RotatingLogFileConfiguration Class Reference
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<article class="main-content">
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<section>
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<section class="section">
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<h1>RotatingLogFileConfiguration</h1>
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<div class="declaration">
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<div class="language">
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<pre class="highlight"><code><span class="n">open</span> <span class="kd">class</span> <span class="kt">RotatingLogFileConfiguration</span><span class="p">:</span> <span class="kt"><a href="../Classes/BasicLogConfiguration.html">BasicLogConfiguration</a></span></code></pre>
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</div>
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</div>
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<p>A <code><a href="../Protocols/LogConfiguration.html">LogConfiguration</a></code> that uses an underlying <code><a href="../Classes/RotatingLogFileRecorder.html">RotatingLogFileRecorder</a></code> to
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maintain a directory of log files that are rotated on a daily basis.</p>
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</section>
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<section class="section task-group-section">
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<div class="task-group">
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<ul>
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<li class="item">
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<div>
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<code>
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<a name="/s:15CleanroomLogger28RotatingLogFileConfigurationC13directoryPathSSv"></a>
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<a name="//apple_ref/swift/Property/directoryPath" class="dashAnchor"></a>
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<a class="token" href="#/s:15CleanroomLogger28RotatingLogFileConfigurationC13directoryPathSSv">directoryPath</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>The filesystem path to a directory where the log files will be
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stored.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="n">open</span> <span class="k">var</span> <span class="nv">directoryPath</span><span class="p">:</span> <span class="kt">String</span></code></pre>
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</div>
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</div>
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</section>
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</div>
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</li>
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<li class="item">
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<div>
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<code>
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<a name="/s:15CleanroomLogger28RotatingLogFileConfigurationCAcA0D8SeverityO07minimumG0_Si10daysToKeepSS13directoryPathSb15synchronousModeSayAA0D6Filter_pG7filtersSayAA0D9Formatter_pG10formatterstcfc"></a>
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<a name="//apple_ref/swift/Method/init(minimumSeverity:daysToKeep:directoryPath:synchronousMode:filters:formatters:)" class="dashAnchor"></a>
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<a class="token" href="#/s:15CleanroomLogger28RotatingLogFileConfigurationCAcA0D8SeverityO07minimumG0_Si10daysToKeepSS13directoryPathSb15synchronousModeSayAA0D6Filter_pG7filtersSayAA0D9Formatter_pG10formatterstcfc">init(minimumSeverity:daysToKeep:directoryPath:synchronousMode:filters:formatters:)</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Initializes a new <code>RotatingLogFileConfiguration</code> instance.</p>
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<div class="aside aside-warning">
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<p class="aside-title">Warning</p>
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<p>The <code><a href="../Classes/RotatingLogFileRecorder.html">RotatingLogFileRecorder</a></code> created by this configuration
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assumes full control over the log directory specified as <code><a href="../Classes/RotatingLogFileConfiguration.html#/s:15CleanroomLogger28RotatingLogFileConfigurationC13directoryPathSSv">directoryPath</a></code>.
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Any file not recognized as an active log file will be deleted during the
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automatic pruning process, which may occur at any time. Therefore, be
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<strong>extremely careful</strong> when constructing the value passed in as the
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<code><a href="../Classes/RotatingLogFileConfiguration.html#/s:15CleanroomLogger28RotatingLogFileConfigurationC13directoryPathSSv">directoryPath</a></code>.</p>
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</div>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="kd">public</span> <span class="nf">init</span><span class="p">(</span><span class="nv">minimumSeverity</span><span class="p">:</span> <span class="kt"><a href="../Enums/LogSeverity.html">LogSeverity</a></span><span class="p">,</span> <span class="nv">daysToKeep</span><span class="p">:</span> <span class="kt">Int</span><span class="p">,</span> <span class="nv">directoryPath</span><span class="p">:</span> <span class="kt">String</span><span class="p">,</span> <span class="nv">synchronousMode</span><span class="p">:</span> <span class="kt">Bool</span> <span class="o">=</span> <span class="kc">false</span><span class="p">,</span> <span class="nv">filters</span><span class="p">:</span> <span class="p">[</span><span class="kt"><a href="../Protocols/LogFilter.html">LogFilter</a></span><span class="p">]</span> <span class="o">=</span> <span class="p">[],</span> <span class="nv">formatters</span><span class="p">:</span> <span class="p">[</span><span class="kt"><a href="../Protocols/LogFormatter.html">LogFormatter</a></span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="kt"><a href="../Classes/ReadableLogFormatter.html">ReadableLogFormatter</a></span><span class="p">()])</span></code></pre>
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</div>
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</div>
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<div>
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<h4>Parameters</h4>
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<table class="graybox">
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<tbody>
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<tr>
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<td>
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<code>
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<em>minimumSeverity</em>
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</code>
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</td>
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<td>
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<div>
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<p>The minimum supported <code>LogSeverity</code>. Any
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<code>LogEntry</code> having a <code>severity</code> less than <code>minimumSeverity</code> will be silently
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ignored by the configuration.</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<code>
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<em>daysToKeep</em>
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</code>
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</td>
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<td>
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<div>
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<p>The number of days for which log files should be
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retained.</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<code>
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<em>directoryPath</em>
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</code>
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</td>
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<td>
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<div>
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<p>The filesystem path of the directory where the
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log files will be stored. Please note the warning above regarding the
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<code>directoryPath</code>.</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<code>
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<em>synchronousMode</em>
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</code>
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</td>
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<td>
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<div>
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<p>Determines whether synchronous mode will be
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used by the underlying <code>RotatingLogFileRecorder</code>. Synchronous mode is
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helpful while debugging, as it ensures that logs are always up-to-date
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when debug breakpoints are hit. However, synchronous mode can have a
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negative influence on performance and is therefore not recommended for
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use in production code.</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<code>
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<em>filters</em>
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</code>
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</td>
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<td>
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<div>
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<p>The <code>LogFilter</code>s to use when deciding whether a given
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<code>LogEntry</code> should be passed along for recording.</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<code>
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<em>formatters</em>
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</code>
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</td>
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<td>
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<div>
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<p>An array of <code>LogFormatter</code>s to use for formatting
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log entries to be recorded by the receiver. Each formatter is consulted in
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sequence, and the formatted string returned by the first formatter to
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yield a non-<code>nil</code> value will be recorded. If every formatter returns <code>nil</code>,
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the log entry is silently ignored and not recorded.</p>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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</section>
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</div>
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</li>
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<li class="item">
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<div>
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<code>
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<a name="/s:15CleanroomLogger28RotatingLogFileConfigurationC06createD9DirectoryyyKF"></a>
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<a name="//apple_ref/swift/Method/createLogDirectory()" class="dashAnchor"></a>
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<a class="token" href="#/s:15CleanroomLogger28RotatingLogFileConfigurationC06createD9DirectoryyyKF">createLogDirectory()</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Attempts to create—if it does not already exist—the directory indicated
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by the <code><a href="../Classes/RotatingLogFileConfiguration.html#/s:15CleanroomLogger28RotatingLogFileConfigurationC13directoryPathSSv">directoryPath</a></code> property.</p>
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<div class="aside aside-throws">
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<p class="aside-title">Throws</p>
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If the function fails to create a directory at <code><a href="../Classes/RotatingLogFileConfiguration.html#/s:15CleanroomLogger28RotatingLogFileConfigurationC13directoryPathSSv">directoryPath</a></code>.
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</div>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="n">open</span> <span class="kd">func</span> <span class="nf">createLogDirectory</span><span class="p">()</span>
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<span class="k">throws</span></code></pre>
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</div>
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