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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/><meta http-equiv="X-UA-Compatible" content="IE=9"/><meta name="generator" content="Doxygen 1.8.16"/><meta name="viewport" content="width=device-width, initial-scale=1"/><title>SdFat: StreamFile< BaseFile, PosType > Class Template Reference</title><link href="tabs.css" rel="stylesheet" type="text/css"/><script type="text/javascript" src="jquery.js"></script><script type="text/javascript" src="dynsections.js"></script><link href="search/search.css" rel="stylesheet" type="text/css"/><script type="text/javascript" src="search/searchdata.js"></script><script type="text/javascript" src="search/search.js"></script><link href="doxygen.css" rel="stylesheet" type="text/css" /></head><body><div id="top"><!-- do not remove this div, it is closed by doxygen! --><div id="titlearea"><table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;">  <td id="projectalign" style="padding-left: 0.5em;">   <div id="projectname">SdFat   </div>  </td> </tr> </tbody></table></div><!-- end header part --><!-- Generated by Doxygen 1.8.16 --><script type="text/javascript">/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */var searchBox = new SearchBox("searchBox", "search",false,'Search');/* @license-end */</script><script type="text/javascript" src="menudata.js"></script><script type="text/javascript" src="menu.js"></script><script type="text/javascript">/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */$(function() {  initMenu('',true,false,'search.php','Search');  $(document).ready(function() { init_search(); });});/* @license-end */</script><div id="main-nav"></div><!-- window showing the filter options --><div id="MSearchSelectWindow"     onmouseover="return searchBox.OnSearchSelectShow()"     onmouseout="return searchBox.OnSearchSelectHide()"     onkeydown="return searchBox.OnSearchSelectKey(event)"></div><!-- iframe showing the search results (closed by default) --><div id="MSearchResultsWindow"><iframe src="javascript:void(0)" frameborder="0"         name="MSearchResults" id="MSearchResults"></iframe></div></div><!-- top --><div class="header">  <div class="summary"><a href="#pub-methods">Public Member Functions</a> |<a href="class_stream_file-members.html">List of all members</a>  </div>  <div class="headertitle"><div class="title">StreamFile< BaseFile, PosType > Class Template Reference</div>  </div></div><!--header--><div class="contents"><p><a class="el" href="class_stream_file.html" title="StreamFile class.">StreamFile</a> class.   <a href="class_stream_file.html#details">More...</a></p><p><code>#include <ArduinoFiles.h></code></p><div class="dynheader">Inheritance diagram for StreamFile< BaseFile, PosType >:</div><div class="dyncontent"><div class="center"><img src="class_stream_file__inherit__graph.png" border="0" usemap="#_stream_file_3_01_base_file_00_01_pos_type_01_4_inherit__map" alt="Inheritance graph"/></div><map name="_stream_file_3_01_base_file_00_01_pos_type_01_4_inherit__map" id="_stream_file_3_01_base_file_00_01_pos_type_01_4_inherit__map"><area shape="rect" title="StreamFile class." alt="" coords="14,80,166,121"/><area shape="rect" title=" " alt="" coords="5,5,79,32"/><area shape="rect" title=" " alt="" coords="103,5,176,32"/></map><center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div><div class="dynheader">Collaboration diagram for StreamFile< BaseFile, PosType >:</div><div class="dyncontent"><div class="center"><img src="class_stream_file__coll__graph.png" border="0" usemap="#_stream_file_3_01_base_file_00_01_pos_type_01_4_coll__map" alt="Collaboration graph"/></div><map name="_stream_file_3_01_base_file_00_01_pos_type_01_4_coll__map" id="_stream_file_3_01_base_file_00_01_pos_type_01_4_coll__map"><area shape="rect" title="StreamFile class." alt="" coords="14,80,166,121"/><area shape="rect" title=" " alt="" coords="5,5,79,32"/><area shape="rect" title=" " alt="" coords="103,5,176,32"/></map><center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div><table class="memberdecls"><tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>Public Member Functions</h2></td></tr><tr class="memitem:a0112cc39b64aac6f1ec47741397a7582"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_file.html#a0112cc39b64aac6f1ec47741397a7582">available</a> ()</td></tr><tr class="separator:a0112cc39b64aac6f1ec47741397a7582"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:a32f813e659414892a58aa5157fe14f82"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_file.html#a32f813e659414892a58aa5157fe14f82">flush</a> ()</td></tr><tr class="separator:a32f813e659414892a58aa5157fe14f82"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:a586ad44055eca4c1b2b457299b829d44"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_file.html#a586ad44055eca4c1b2b457299b829d44">isDirectory</a> ()</td></tr><tr class="separator:a586ad44055eca4c1b2b457299b829d44"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:a8792c863080576eb65ce6cacbe1dd931"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_file.html#a8792c863080576eb65ce6cacbe1dd931">name</a> () const</td></tr><tr class="separator:a8792c863080576eb65ce6cacbe1dd931"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:af0da96e502485133ca0cff27fa130082"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_file.html#af0da96e502485133ca0cff27fa130082">peek</a> ()</td></tr><tr class="separator:af0da96e502485133ca0cff27fa130082"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:a18a04d1e68a0c1e3e38e5712cd9bbc03"><td class="memItemLeft" align="right" valign="top">PosType </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_file.html#a18a04d1e68a0c1e3e38e5712cd9bbc03">position</a> ()</td></tr><tr class="separator:a18a04d1e68a0c1e3e38e5712cd9bbc03"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:a249a5d428f303e2a8e7c3ae476e74829"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_file.html#a249a5d428f303e2a8e7c3ae476e74829">read</a> ()</td></tr><tr class="separator:a249a5d428f303e2a8e7c3ae476e74829"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:a91e8cfbde27d6879b4f51d2ceb2a9f06"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_file.html#a91e8cfbde27d6879b4f51d2ceb2a9f06">rewindDirectory</a> ()</td></tr><tr class="separator:a91e8cfbde27d6879b4f51d2ceb2a9f06"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:a773ee6f661fc689a5187f51cb5498086"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_file.html#a773ee6f661fc689a5187f51cb5498086">seek</a> (PosType pos)</td></tr><tr class="separator:a773ee6f661fc689a5187f51cb5498086"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:a5813d451e7f7ba57a04d177caffc5a9f"><td class="memItemLeft" align="right" valign="top">PosType </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_file.html#a5813d451e7f7ba57a04d177caffc5a9f">size</a> ()</td></tr><tr class="separator:a5813d451e7f7ba57a04d177caffc5a9f"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:a0ace3aaaf6d0fb673a43059c0664fab6"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_file.html#a0ace3aaaf6d0fb673a43059c0664fab6">write</a> (const uint8_t *buffer, size_t <a class="el" href="class_stream_file.html#a5813d451e7f7ba57a04d177caffc5a9f">size</a>)</td></tr><tr class="separator:a0ace3aaaf6d0fb673a43059c0664fab6"><td class="memSeparator" colspan="2"> </td></tr><tr class="memitem:a0695220134825199b39dee82f18ab1ec"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_file.html#a0695220134825199b39dee82f18ab1ec">write</a> (uint8_t b)</td></tr><tr class="separator:a0695220134825199b39dee82f18ab1ec"><td class="memSeparator" colspan="2"> </td></tr></table><a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2><div class="textblock"><h3>template<class BaseFile, typename PosType><br />class StreamFile< BaseFile, PosType ></h3><p><a class="el" href="class_stream_file.html" title="StreamFile class.">StreamFile</a> class. </p></div><h2 class="groupheader">Member Function Documentation</h2><a id="a0112cc39b64aac6f1ec47741397a7582"></a><h2 class="memtitle"><span class="permalink"><a href="#a0112cc39b64aac6f1ec47741397a7582">◆ </a></span>available()</h2><div class="memitem"><div class="memproto"><div class="memtemplate">template<class BaseFile, typename PosType> </div><table class="mlabels">  <tr>  <td class="mlabels-left">      <table class="memname">        <tr>          <td class="memname">int <a class="el" href="class_stream_file.html">StreamFile</a>< BaseFile, PosType >::available </td>          <td>(</td>          <td class="paramname"></td><td>)</td>          <td></td>        </tr>      </table>  </td>  <td class="mlabels-right"><span class="mlabels"><span class="mlabel">inline</span></span>  </td>  </tr></table></div><div class="memdoc"><dl class="section return"><dt>Returns</dt><dd>number of bytes available from the current position to EOF or INT_MAX if more than INT_MAX bytes are available. </dd></dl></div></div><a id="a32f813e659414892a58aa5157fe14f82"></a><h2 class="memtitle"><span class="permalink"><a href="#a32f813e659414892a58aa5157fe14f82">◆ </a></span>flush()</h2><div class="memitem"><div class="memproto"><div class="memtemplate">template<class BaseFile, typename PosType> </div><table class="mlabels">  <tr>  <td class="mlabels-left">      <table class="memname">        <tr>          <td class="memname">void <a class="el" href="class_stream_file.html">StreamFile</a>< BaseFile, PosType >::flush </td>          <td>(</td>          <td class="paramname"></td><td>)</td>          <td></td>        </tr>      </table>  </td>  <td class="mlabels-right"><span class="mlabels"><span class="mlabel">inline</span></span>  </td>  </tr></table></div><div class="memdoc"><p>Ensure that any bytes written to the file are saved to the SD card. </p></div></div><a id="a586ad44055eca4c1b2b457299b829d44"></a><h2 class="memtitle"><span class="permalink"><a href="#a586ad44055eca4c1b2b457299b829d44">◆ </a></span>isDirectory()</h2><div class="memitem"><div class="memproto"><div class="memtemplate">template<class BaseFile, typename PosType> </div><table class="mlabels">  <tr>  <td class="mlabels-left">      <table class="memname">        <tr>          <td class="memname">bool <a class="el" href="class_stream_file.html">StreamFile</a>< BaseFile, PosType >::isDirectory </td>          <td>(</td>          <td class="paramname"></td><td>)</td>          <td></td>        </tr>      </table>  </td>  <td class="mlabels-right"><span class="mlabels"><span class="mlabel">inline</span></span>  </td>  </tr></table></div><div class="memdoc"><p>This function reports if the current file is a directory or not. </p><dl class="section return"><dt>Returns</dt><dd>true if the file is a directory. </dd></dl></div></div><a id="a8792c863080576eb65ce6cacbe1dd931"></a><h2 class="memtitle"><span class="permalink"><a href="#a8792c863080576eb65ce6cacbe1dd931">◆ </a></span>name()</h2><div class="memitem"><div class="memproto"><div class="memtemplate">template<class BaseFile, typename PosType> </div><table class="mlabels">  <tr>  <td class="mlabels-left">      <table class="memname">        <tr>          <td class="memname">const char* <a class="el" href="class_stream_file.html">StreamFile</a>< BaseFile, PosType >::name </td>          <td>(</td>          <td class="paramname"></td><td>)</td>          <td> const</td>        </tr>      </table>  </td>  <td class="mlabels-right"><span class="mlabels"><span class="mlabel">inline</span></span>  </td>  </tr></table></div><div class="memdoc"><p>No longer implemented due to Long File Names.</p><p>Use getName(char* name, size_t size). </p><dl class="section return"><dt>Returns</dt><dd>a pointer to replacement suggestion. </dd></dl></div></div><a id="af0da96e502485133ca0cff27fa130082"></a><h2 class="memtitle"><span class="permalink"><a href="#af0da96e502485133ca0cff27fa130082">◆ </a></span>peek()</h2><div class="memitem"><div class="memproto"><div class="memtemplate">template<class BaseFile, typename PosType> </div><table class="mlabels">  <tr>  <td class="mlabels-left">      <table class="memname">        <tr>          <td class="memname">int <a class="el" href="class_stream_file.html">StreamFile</a>< BaseFile, PosType >::peek </td>          <td>(</td>          <td class="paramname"></td><td>)</td>          <td></td>        </tr>      </table>  </td>  <td class="mlabels-right"><span class="mlabels"><span class="mlabel">inline</span></span>  </td>  </tr></table></div><div class="memdoc"><p>Return the next available byte without consuming it.</p><dl class="section return"><dt>Returns</dt><dd>The byte if no error and not at eof else -1; </dd></dl></div></div><a id="a18a04d1e68a0c1e3e38e5712cd9bbc03"></a><h2 class="memtitle"><span class="permalink"><a href="#a18a04d1e68a0c1e3e38e5712cd9bbc03">◆ </a></span>position()</h2><div class="memitem"><div class="memproto"><div class="memtemplate">template<class BaseFile, typename PosType> </div><table class="mlabels">  <tr>  <td class="mlabels-left">      <table class="memname">        <tr>          <td class="memname">PosType <a class="el" href="class_stream_file.html">StreamFile</a>< BaseFile, PosType >::position </td>          <td>(</td>          <td class="paramname"></td><td>)</td>          <td></td>        </tr>      </table>  </td>  <td class="mlabels-right"><span class="mlabels"><span class="mlabel">inline</span></span>  </td>  </tr></table></div><div class="memdoc"><dl class="section return"><dt>Returns</dt><dd>the current file position. </dd></dl></div></div><a id="a249a5d428f303e2a8e7c3ae476e74829"></a><h2 class="memtitle"><span class="permalink"><a href="#a249a5d428f303e2a8e7c3ae476e74829">◆ </a></span>read()</h2><div class="memitem"><div class="memproto"><div class="memtemplate">template<class BaseFile, typename PosType> </div><table class="mlabels">  <tr>  <td class="mlabels-left">      <table class="memname">        <tr>          <td class="memname">int <a class="el" href="class_stream_file.html">StreamFile</a>< BaseFile, PosType >::read </td>          <td>(</td>          <td class="paramname"></td><td>)</td>          <td></td>        </tr>      </table>  </td>  <td class="mlabels-right"><span class="mlabels"><span class="mlabel">inline</span></span>  </td>  </tr></table></div><div class="memdoc"><p>Read the next byte from a file.</p><dl class="section return"><dt>Returns</dt><dd>For success return the next byte in the file as an int. If an error occurs or end of file is reached return -1. </dd></dl></div></div><a id="a91e8cfbde27d6879b4f51d2ceb2a9f06"></a><h2 class="memtitle"><span class="permalink"><a href="#a91e8cfbde27d6879b4f51d2ceb2a9f06">◆ </a></span>rewindDirectory()</h2><div class="memitem"><div class="memproto"><div class="memtemplate">template<class BaseFile, typename PosType> </div><table class="mlabels">  <tr>  <td class="mlabels-left">      <table class="memname">        <tr>          <td class="memname">void <a class="el" href="class_stream_file.html">StreamFile</a>< BaseFile, PosType >::rewindDirectory </td>          <td>(</td>          <td class="paramname"></td><td>)</td>          <td></td>        </tr>      </table>  </td>  <td class="mlabels-right"><span class="mlabels"><span class="mlabel">inline</span></span>  </td>  </tr></table></div><div class="memdoc"><p>Rewind a file if it is a directory </p></div></div><a id="a773ee6f661fc689a5187f51cb5498086"></a><h2 class="memtitle"><span class="permalink"><a href="#a773ee6f661fc689a5187f51cb5498086">◆ </a></span>seek()</h2><div class="memitem"><div class="memproto"><div class="memtemplate">template<class BaseFile, typename PosType> </div><table class="mlabels">  <tr>  <td class="mlabels-left">      <table class="memname">        <tr>          <td class="memname">bool <a class="el" href="class_stream_file.html">StreamFile</a>< BaseFile, PosType >::seek </td>          <td>(</td>          <td class="paramtype">PosType </td>          <td class="paramname"><em>pos</em></td><td>)</td>          <td></td>        </tr>      </table>  </td>  <td class="mlabels-right"><span class="mlabels"><span class="mlabel">inline</span></span>  </td>  </tr></table></div><div class="memdoc"><p>Seek to a new position in the file, which must be between 0 and the size of the file (inclusive).</p><dl class="params"><dt>Parameters</dt><dd>  <table class="params">    <tr><td class="paramdir">[in]</td><td class="paramname">pos</td><td>the new file position. </td></tr>  </table>  </dd></dl><dl class="section return"><dt>Returns</dt><dd>true for success or false for failure. </dd></dl></div></div><a id="a5813d451e7f7ba57a04d177caffc5a9f"></a><h2 class="memtitle"><span class="permalink"><a href="#a5813d451e7f7ba57a04d177caffc5a9f">◆ </a></span>size()</h2><div class="memitem"><div class="memproto"><div class="memtemplate">template<class BaseFile, typename PosType> </div><table class="mlabels">  <tr>  <td class="mlabels-left">      <table class="memname">        <tr>          <td class="memname">PosType <a class="el" href="class_stream_file.html">StreamFile</a>< BaseFile, PosType >::size </td>          <td>(</td>          <td class="paramname"></td><td>)</td>          <td></td>        </tr>      </table>  </td>  <td class="mlabels-right"><span class="mlabels"><span class="mlabel">inline</span></span>  </td>  </tr></table></div><div class="memdoc"><dl class="section return"><dt>Returns</dt><dd>the file's size. </dd></dl></div></div><a id="a0ace3aaaf6d0fb673a43059c0664fab6"></a><h2 class="memtitle"><span class="permalink"><a href="#a0ace3aaaf6d0fb673a43059c0664fab6">◆ </a></span>write() <span class="overload">[1/2]</span></h2><div class="memitem"><div class="memproto"><div class="memtemplate">template<class BaseFile, typename PosType> </div><table class="mlabels">  <tr>  <td class="mlabels-left">      <table class="memname">        <tr>          <td class="memname">size_t <a class="el" href="class_stream_file.html">StreamFile</a>< BaseFile, PosType >::write </td>          <td>(</td>          <td class="paramtype">const uint8_t * </td>          <td class="paramname"><em>buffer</em>, </td>        </tr>        <tr>          <td class="paramkey"></td>          <td></td>          <td class="paramtype">size_t </td>          <td class="paramname"><em>size</em> </td>        </tr>        <tr>          <td></td>          <td>)</td>          <td></td><td></td>        </tr>      </table>  </td>  <td class="mlabels-right"><span class="mlabels"><span class="mlabel">inline</span></span>  </td>  </tr></table></div><div class="memdoc"><p>Write data to an open file.</p><dl class="section note"><dt>Note</dt><dd>Data is moved to the cache but may not be written to the storage device until sync() is called.</dd></dl><dl class="params"><dt>Parameters</dt><dd>  <table class="params">    <tr><td class="paramdir">[in]</td><td class="paramname">buffer</td><td>Pointer to the location of the data to be written.</td></tr>    <tr><td class="paramdir">[in]</td><td class="paramname">size</td><td>Number of bytes to write.</td></tr>  </table>  </dd></dl><dl class="section return"><dt>Returns</dt><dd>For success <a class="el" href="class_stream_file.html#a0695220134825199b39dee82f18ab1ec">write()</a> returns the number of bytes written, always <em>size</em>. </dd></dl></div></div><a id="a0695220134825199b39dee82f18ab1ec"></a><h2 class="memtitle"><span class="permalink"><a href="#a0695220134825199b39dee82f18ab1ec">◆ </a></span>write() <span class="overload">[2/2]</span></h2><div class="memitem"><div class="memproto"><div class="memtemplate">template<class BaseFile, typename PosType> </div><table class="mlabels">  <tr>  <td class="mlabels-left">      <table class="memname">        <tr>          <td class="memname">size_t <a class="el" href="class_stream_file.html">StreamFile</a>< BaseFile, PosType >::write </td>          <td>(</td>          <td class="paramtype">uint8_t </td>          <td class="paramname"><em>b</em></td><td>)</td>          <td></td>        </tr>      </table>  </td>  <td class="mlabels-right"><span class="mlabels"><span class="mlabel">inline</span></span>  </td>  </tr></table></div><div class="memdoc"><p>Write a byte to a file. Required by the Arduino Print class. </p><dl class="params"><dt>Parameters</dt><dd>  <table class="params">    <tr><td class="paramdir">[in]</td><td class="paramname">b</td><td>the byte to be written. Use getWriteError to check for errors. </td></tr>  </table>  </dd></dl><dl class="section return"><dt>Returns</dt><dd>1 for success and 0 for failure. </dd></dl></div></div><hr/>The documentation for this class was generated from the following file:<ul><li>ArduinoSdFat/libraries/SdFat/src/common/ArduinoFiles.h</li></ul></div><!-- contents --><!-- start footer part --><hr class="footer"/><address class="footer"><small>Generated on Mon Nov 9 2020 08:03:47 for SdFat by  <a href="http://www.doxygen.org/index.html"><img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.16</small></address></body></html>
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