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<h1>Read</h1>
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<pre><code>yaml r <yaml file> <path>
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</code></pre>
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<h3 id="basic">Basic</h3>
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<p>Given a sample.yaml file of:</p>
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<pre><code class="yaml">b:
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c: 2
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</code></pre>
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<p>then</p>
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<pre><code class="bash">yaml r sample.yaml b.c
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</code></pre>
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<p>will output the value of '2'.</p>
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<h3 id="from-stdin">From Stdin</h3>
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<p>Given a sample.yaml file of:</p>
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<pre><code class="bash">cat sample.yaml | yaml r - b.c
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</code></pre>
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<p>will output the value of '2'.</p>
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<h3 id="splat">Splat</h3>
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<p>Given a sample.yaml file of:</p>
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<pre><code class="yaml">---
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bob:
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item1:
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cats: bananas
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item2:
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cats: apples
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</code></pre>
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<p>then</p>
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<pre><code class="bash">yaml r sample.yaml bob.*.cats
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</code></pre>
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<p>will output</p>
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<pre><code class="yaml">- bananas
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- apples
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</code></pre>
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<h3 id="handling-in-the-yaml-key">Handling '.' in the yaml key</h3>
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<p>Given a sample.yaml file of:</p>
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<pre><code class="yaml">b.x:
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c: 2
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</code></pre>
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<p>then</p>
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<pre><code class="bash">yaml r sample.yaml \"b.x\".c
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</code></pre>
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<p>will output the value of '2'.</p>
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<h3 id="arrays">Arrays</h3>
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<p>You can give an index to access a specific element:
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e.g.: given a sample file of</p>
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<pre><code class="yaml">b:
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e:
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- name: fred
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value: 3
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- name: sam
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value: 4
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</code></pre>
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<p>then</p>
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<pre><code>yaml r sample.yaml b.e[1].name
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</code></pre>
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<p>will output 'sam'</p>
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<h3 id="array-splat">Array Splat</h3>
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<p>e.g.: given a sample file of</p>
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<pre><code class="yaml">b:
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e:
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- name: fred
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value: 3
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- name: sam
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value: 4
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</code></pre>
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<p>then</p>
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<pre><code>yaml r sample.yaml b.e[*].name
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</code></pre>
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<p>will output:</p>
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<pre><code>- fred
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- sam
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</code></pre>
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