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<h1 id="query">query</h1>
<p>Query an index with sequences and annotate each query with the kmer matches found.</p>
<div class="highlight"><pre><span></span><code>obikmer<span class="w"> </span>query<span class="w"> </span>INDEX<span class="w"> </span>INPUTS...<span class="w"> </span><span class="o">[</span>OPTIONS<span class="o">]</span>
</code></pre></div>
<h2 id="arguments">Arguments</h2>
<table>
<thead>
<tr>
<th>Argument</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>INDEX</code></td>
<td>Index directory to query against</td>
</tr>
<tr>
<td><code>INPUTS...</code></td>
<td>Input sequence files (FASTA/FASTQ, gzip optional); at least one required</td>
</tr>
</tbody>
</table>
<h2 id="options">Options</h2>
<table>
<thead>
<tr>
<th>Option</th>
<th>Default</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>--detail</code></td>
<td>off</td>
<td>Report per-position, per-genome coverage vectors in the output</td>
</tr>
<tr>
<td><code>--count-missing</code></td>
<td>off</td>
<td>Also count query kmers absent from the index</td>
</tr>
<tr>
<td><code>--force-presence</code></td>
<td>off</td>
<td>Report presence (0/1) per genome instead of raw counts</td>
</tr>
<tr>
<td><code>--presence-threshold</code></td>
<td><code>1</code></td>
<td>Minimum accumulated count to declare a genome present (implies <code>--force-presence</code>)</td>
</tr>
<tr>
<td><code>-z, --findere-z</code></td>
<td>derived from the index metadata</td>
<td>Override the Findere z parameter</td>
</tr>
<tr>
<td><code>-T, --threads</code></td>
<td>detected core count</td>
<td>Number of worker threads</td>
</tr>
<tr>
<td><code>--chunk-size</code></td>
<td>auto-sized (available RAM ÷ threads, clamped to 4256 MiB)</td>
<td>I/O chunk size, in MiB</td>
</tr>
<tr>
<td><code>--max-open-files</code></td>
<td><code>threads / 4</code> (min 1)</td>
<td>Maximum number of input files open simultaneously</td>
</tr>
</tbody>
</table>
<h2 id="output">Output</h2>
<p>FASTA on stdout, one record per query, annotated in the OBITools-style header format <code>&gt;id {"key":value,...}</code>:</p>
<ul>
<li><code>kmer_count</code>: total number of kmers matched</li>
<li><code>kmer_missing</code>: number of query kmers absent from the index (only with <code>--count-missing</code>)</li>
<li><code>kmer_strict_matches</code>: per-genome match counts</li>
<li><code>coverage</code>: per-position, per-genome coverage vectors (only with <code>--detail</code>)</li>
</ul>
<p><code>--mismatch</code> is accepted by the CLI but not currently functional; using it produces a warning and is ignored.</p>
</article>
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