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RQ.html
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RQ.html
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<!-- Generated by pkgdown: do not edit by hand -->
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<title>Shorthand for <code>requireNamespace</code> — RQ • hutils</title>
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<meta property="og:title" content="Shorthand for <code>requireNamespace</code> — RQ" />
<meta property="og:description" content="Present since hutils v1.2.0. Alias for if (!requireNamespace(pkg, quietly = TRUE)) yes else no.
Typical use-case would be RQ(pkg, install.packages("pkg"))].
Default values for yes and no from hutils v1.5.0.
This function is not recommended for use in scripts as it is a bit cryptic; its
use-case is for bash scripts and the like where calls like this would otherwise
be frequent and cloud the message." />
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<h1>Shorthand for <code>requireNamespace</code></h1>
<small class="dont-index">Source: <a href='https://github.com/hughparsonage/hutils/blob/master/R/RQ.R'><code>R/RQ.R</code></a></small>
<div class="hidden name"><code>RQ.Rd</code></div>
</div>
<div class="ref-description">
<p>Present since <code>hutils v1.2.0</code>. Alias for <code>if (!requireNamespace(pkg, quietly = TRUE))</code> <em>yes</em> <code>else</code> <em>no</em>.
Typical use-case would be <code>RQ(pkg, install.packages("pkg"))].</code></p>
<p>Default values for <code>yes</code> and <code>no</code> from <code>hutils v1.5.0</code>.</p>
<p>This function is not recommended for use in scripts as it is a bit cryptic; its
use-case is for bash scripts and the like where calls like this would otherwise
be frequent and cloud the message.</p>
</div>
<pre class="usage"><span class='fu'>RQ</span>(<span class='no'>pkg</span>, <span class='kw'>yes</span> <span class='kw'>=</span> <span class='kw'>NULL</span>, <span class='kw'>no</span> <span class='kw'>=</span> <span class='kw'>NULL</span>)</pre>
<h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a>Arguments</h2>
<table class="ref-arguments">
<colgroup><col class="name" /><col class="desc" /></colgroup>
<tr>
<th>pkg</th>
<td><p>Package to test whether the package is not yet installed.</p></td>
</tr>
<tr>
<th>yes</th>
<td><p>Response if <code>pkg</code> is <strong>not</strong> installed.</p></td>
</tr>
<tr>
<th>no</th>
<td><p>(optional) Response if <code>pkg</code> is installed.</p></td>
</tr>
</table>
<h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
<pre class="examples"><span class='co'># NOT RUN {</span>
<span class='fu'>RQ</span>(<span class='st'>"dplyr"</span>, <span class='st'>"dplyr needs installing"</span>)
<span class='co'># }</span><div class='input'>
</div></pre>
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<h2>Contents</h2>
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<li><a href="#arguments">Arguments</a></li>
<li><a href="#examples">Examples</a></li>
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