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} </style> </head> <body> <h1 class="title toc-ignore">Case converters</h1> <h4 class="author">Malte Grosser</h4> <h4 class="date">2019-05-25</h4> <div id="basic-examples" class="section level2"> <h2>Basic examples</h2> <p>Default case is snake case</p> <div class="sourceCode" id="cb1"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb1-1" title="1"><span class="kw">library</span>(snakecase)</a> <a class="sourceLine" id="cb1-2" title="2"><span class="kw">to_any_case</span>(<span class="st">"veryComplicatedString"</span>)</a> <a class="sourceLine" id="cb1-3" title="3"><span class="co">## [1] "very_complicated_string"</span></a></code></pre></div> <p>Of course other cases are supported (<code>case</code>) and separators can be adjusted (<code>sep_out</code>)</p> <div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb2-1" title="1"><span class="kw">to_any_case</span>(<span class="kw">names</span>(iris), <span class="dt">sep_in =</span> <span class="st">"</span><span class="ch">\\</span><span class="st">."</span>, <span class="dt">case =</span> <span class="st">"upper_camel"</span>, <span class="dt">sep_out =</span> <span class="st">" "</span>)</a> <a class="sourceLine" id="cb2-2" title="2"><span class="co">## [1] "Sepal Length" "Sepal Width" "Petal Length" "Petal Width" </span></a> <a class="sourceLine" id="cb2-3" title="3"><span class="co">## [5] "Species"</span></a></code></pre></div> <p>And you might want to remove special characters along the way</p> <div class="sourceCode" id="cb3"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb3-1" title="1"><span class="kw">to_any_case</span>(<span class="st">"Doppelgänger is originally german"</span>, </a> <a class="sourceLine" id="cb3-2" title="2"> <span class="dt">transliterations =</span> <span class="st">"german"</span>, <span class="dt">case =</span> <span class="st">"upper_camel"</span>)</a> <a class="sourceLine" id="cb3-3" title="3"><span class="co">## [1] "DoppelgaengerIsOriginallyGerman"</span></a></code></pre></div> <p>All of the cases like: snake, lower_camel, upper_camel, all_caps, lower_upper, upper_lower, mixed and sentence are based on parsed case</p> <div class="sourceCode" id="cb4"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb4-1" title="1"><span class="kw">to_any_case</span>(<span class="st">"THISIsHOW IAmPARSED!"</span>, <span class="dt">case =</span> <span class="st">"parsed"</span>)</a> <a class="sourceLine" id="cb4-2" title="2"><span class="co">## [1] "THIS_Is_HOW_I_Am_PARSED"</span></a></code></pre></div> <p>Shortcut wrappers like <code>to_snake_case</code>, <code>to_lower_camel_case</code> etc. are available.</p> <p>Be aware that automatic case conversion depends on the input string and it is recommended to verify the results. So you might want to pipe these into <code>dput()</code> and hardcode name changes instead of blindly trusting <code>to_any_case()</code>’s output:</p> <div class="sourceCode" id="cb5"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb5-1" title="1"><span class="kw">dput</span>(<span class="kw">to_any_case</span>(<span class="kw">c</span>(<span class="st">"SomeBAdInput"</span>, <span class="st">"someGoodInput"</span>)))</a> <a class="sourceLine" id="cb5-2" title="2"><span class="co">## c("some_b_ad_input", "some_good_input")</span></a></code></pre></div> <p>If you are interested in the design of this package, you can find more information on its <a href="https://github.com/Tazinho/snakecase">github page</a>.</p> </div> <!-- dynamically load mathjax for compatibility with self-contained --> <script> (function () { var script = document.createElement("script"); script.type = "text/javascript"; script.src = "https://mathjax.rstudio.com/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"; document.getElementsByTagName("head")[0].appendChild(script); })(); </script> </body> </html>