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<h1>Key Commands</h1>
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<p>Ozone shell supports the following key commands.</p>
<ul>
<li><a href="#get">get</a></li>
<li><a href="#put">put</a></li>
<li><a href="#delete">delete</a></li>
<li><a href="#info">info</a></li>
<li><a href="#list">list</a></li>
</ul>
<h3 id="get">Get</h3>
<p>The key get command downloads a key from Ozone cluster to local file system.</p>
<p><strong><em>Params:</em></strong></p>
<table>
<thead>
<tr>
<th>Arguments</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>Uri</td>
<td>The name of the key in <strong>/volume/bucket/key</strong> format.</td>
</tr>
<tr>
<td>FileName</td>
<td>Local file to download the key to.</td>
</tr>
</tbody>
</table>
<p><div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-bash" data-lang="bash">ozone sh key get /hive/jan/sales.orc sales.orc</code></pre></div>
Downloads the file sales.orc from the <em>/hive/jan</em> bucket and writes to the
local file sales.orc.</p>
<h3 id="put">Put</h3>
<p>Uploads a file from the local file system to the specified bucket.</p>
<p><strong><em>Params:</em></strong></p>
<table>
<thead>
<tr>
<th>Arguments</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>Uri</td>
<td>The name of the key in <strong>/volume/bucket/key</strong> format.</td>
</tr>
<tr>
<td>FileName</td>
<td>Local file to upload.</td>
</tr>
<tr>
<td>-r, &ndash;replication</td>
<td>Optional, Number of copies, ONE or THREE are the options. Picks up the default from cluster configuration.</td>
</tr>
</tbody>
</table>
<p><div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-bash" data-lang="bash">ozone sh key put /hive/jan/corrected-sales.orc sales.orc</code></pre></div>
The above command will put the sales.orc as a new key into <em>/hive/jan/corrected-sales.orc</em>.</p>
<h3 id="delete">Delete</h3>
<p>The delete key command removes the key from the bucket.</p>
<p><strong><em>Params:</em></strong></p>
<table>
<thead>
<tr>
<th>Arguments</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>Uri</td>
<td>The name of the key.</td>
</tr>
</tbody>
</table>
<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-bash" data-lang="bash">ozone sh key delete /hive/jan/corrected-sales.orc</code></pre></div>
<p>The above command deletes the key <em>/hive/jan/corrected-sales.orc</em>.</p>
<h3 id="info">Info</h3>
<p>The key info commands returns the information about the key.
<strong><em>Params:</em></strong></p>
<table>
<thead>
<tr>
<th>Arguments</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>Uri</td>
<td>The name of the key.</td>
</tr>
</tbody>
</table>
<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-bash" data-lang="bash">ozone sh key info /hive/jan/sales.orc</code></pre></div>
<p>The above command will print out the information about <em>/hive/jan/sales.orc</em>
key.</p>
<h3 id="list">List</h3>
<p>The key list commands allows user to list all keys in a bucket.</p>
<p><strong><em>Params:</em></strong></p>
<table>
<thead>
<tr>
<th>Arguments</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>-l, &ndash;length</td>
<td>Maximum number of results to return. Default: 1000</td>
</tr>
<tr>
<td>-p, &ndash;prefix</td>
<td>Optional, Only buckets that match this prefix will be returned.</td>
</tr>
<tr>
<td>-s, &ndash;start</td>
<td>The listing will start from key after the start key.</td>
</tr>
<tr>
<td>Uri</td>
<td>The name of the <em>volume</em>.</td>
</tr>
</tbody>
</table>
<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-bash" data-lang="bash">ozone sh key list /hive/jan</code></pre></div>
<p>This command will list all key in the bucket <em>/hive/jan</em>.</p>
<p>You can try out these commands from the docker instance of the <a href="runningviadocker.html">Alpha
Cluster</a>.</p>
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