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<title>mastodon-cpp: example3_mastocron.cpp</title>
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<div id="projectname">mastodon-cpp
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 <span id="projectnumber">0.5.0</span>
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<div class="title">example3_mastocron.cpp</div> </div>
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<div class="fragment"><div class="line"><span class="comment">/* This file is part of mastodon-cpp.</span></div><div class="line"><span class="comment"> * Prints the new toots under a hashtag, designed to be used in cronjobs</span></div><div class="line"><span class="comment"> */</span></div><div class="line"></div><div class="line"><span class="preprocessor">#include <iostream></span></div><div class="line"><span class="preprocessor">#include <vector></span></div><div class="line"><span class="preprocessor">#include <string></span></div><div class="line"><span class="preprocessor">#include <cstdint></span></div><div class="line"><span class="preprocessor">#include <sstream></span></div><div class="line"><span class="preprocessor">#include <regex></span></div><div class="line"><span class="preprocessor">#include <cstdlib></span></div><div class="line"><span class="preprocessor">#include "../mastodon-cpp.hpp"</span></div><div class="line"><span class="preprocessor">#include <boost/property_tree/ptree.hpp></span></div><div class="line"><span class="preprocessor">#include <boost/property_tree/json_parser.hpp></span></div><div class="line"></div><div class="line"><span class="keyword">namespace </span>pt = boost::property_tree;</div><div class="line"><span class="keyword">using</span> <a name="_a0"></a><a class="code" href="classMastodon_1_1API.html">Mastodon::API</a>;</div><div class="line"><span class="keyword">using</span> std::cout;</div><div class="line"><span class="keyword">using</span> std::string;</div><div class="line"></div><div class="line"><span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[])</div><div class="line">{</div><div class="line"> <span class="keywordtype">string</span> limit = <span class="stringliteral">"20"</span>;</div><div class="line"> <span class="keywordflow">if</span> (argc < 3)</div><div class="line"> {</div><div class="line"> std::cerr << <span class="stringliteral">"usage: "</span> << argv[0] << <span class="stringliteral">" <instance> <hashtag> [limit]\n"</span>;</div><div class="line"> std::cerr << <span class="stringliteral">" Default limit is 20, max limit is 40.\n"</span>;</div><div class="line"> <span class="keywordflow">return</span> 1;</div><div class="line"> }</div><div class="line"> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (argc == 4)</div><div class="line"> {</div><div class="line"> limit = argv[3];</div><div class="line"> }</div><div class="line"></div><div class="line"> <a class="code" href="classMastodon_1_1API.html">Mastodon::API</a> masto(argv[1], <span class="stringliteral">""</span>);</div><div class="line"> <span class="keywordtype">string</span> hashtag = argv[2];</div><div class="line"> <span class="keywordtype">string</span> answer;</div><div class="line"> std::uint16_t ret;</div><div class="line"> pt::ptree config;</div><div class="line"> <span class="keywordtype">string</span> lastid = <span class="stringliteral">"0"</span>;</div><div class="line"> <span class="keywordtype">string</span> filename = string(getenv(<span class="stringliteral">"HOME"</span>)) + <span class="stringliteral">"/.config/mastocron.json"</span>;</div><div class="line"></div><div class="line"> <span class="comment">// Read config file, get last seen toot-id</span></div><div class="line"> <span class="keywordflow">try</span> {</div><div class="line"> pt::read_json(filename, config);</div><div class="line"> lastid = config.get(hashtag, <span class="stringliteral">"0"</span>);</div><div class="line"> }</div><div class="line"> <span class="keywordflow">catch</span> (std::exception &e)</div><div class="line"> {</div><div class="line"> <span class="comment">// most likely no config file foun
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