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| <h1>CSV Parsing Options</h1> |
| <small class="dont-index">Source: <a href="https://github.com/apache/arrow/blob/main/r/R/csv.R" class="external-link"><code>R/csv.R</code></a></small> |
| <div class="d-none name"><code>csv_parse_options.Rd</code></div> |
| </div> |
| |
| <div class="ref-description section level2"> |
| <p>CSV Parsing Options</p> |
| </div> |
| |
| <div class="section level2"> |
| <h2 id="ref-usage">Usage<a class="anchor" aria-label="anchor" href="#ref-usage"></a></h2> |
| <div class="sourceCode"><pre class="sourceCode r"><code><span><span class="fu">csv_parse_options</span><span class="op">(</span></span> |
| <span> delimiter <span class="op">=</span> <span class="st">","</span>,</span> |
| <span> quoting <span class="op">=</span> <span class="cn">TRUE</span>,</span> |
| <span> quote_char <span class="op">=</span> <span class="st">"\""</span>,</span> |
| <span> double_quote <span class="op">=</span> <span class="cn">TRUE</span>,</span> |
| <span> escaping <span class="op">=</span> <span class="cn">FALSE</span>,</span> |
| <span> escape_char <span class="op">=</span> <span class="st">"\\"</span>,</span> |
| <span> newlines_in_values <span class="op">=</span> <span class="cn">FALSE</span>,</span> |
| <span> ignore_empty_lines <span class="op">=</span> <span class="cn">TRUE</span></span> |
| <span><span class="op">)</span></span></code></pre></div> |
| </div> |
| |
| <div class="section level2"> |
| <h2 id="arguments">Arguments<a class="anchor" aria-label="anchor" href="#arguments"></a></h2> |
| |
| |
| <dl><dt id="arg-delimiter">delimiter<a class="anchor" aria-label="anchor" href="#arg-delimiter"></a></dt> |
| <dd><p>Field delimiting character</p></dd> |
| |
| |
| <dt id="arg-quoting">quoting<a class="anchor" aria-label="anchor" href="#arg-quoting"></a></dt> |
| <dd><p>Logical: are strings quoted?</p></dd> |
| |
| |
| <dt id="arg-quote-char">quote_char<a class="anchor" aria-label="anchor" href="#arg-quote-char"></a></dt> |
| <dd><p>Quoting character, if <code>quoting</code> is <code>TRUE</code></p></dd> |
| |
| |
| <dt id="arg-double-quote">double_quote<a class="anchor" aria-label="anchor" href="#arg-double-quote"></a></dt> |
| <dd><p>Logical: are quotes inside values double-quoted?</p></dd> |
| |
| |
| <dt id="arg-escaping">escaping<a class="anchor" aria-label="anchor" href="#arg-escaping"></a></dt> |
| <dd><p>Logical: whether escaping is used</p></dd> |
| |
| |
| <dt id="arg-escape-char">escape_char<a class="anchor" aria-label="anchor" href="#arg-escape-char"></a></dt> |
| <dd><p>Escaping character, if <code>escaping</code> is <code>TRUE</code></p></dd> |
| |
| |
| <dt id="arg-newlines-in-values">newlines_in_values<a class="anchor" aria-label="anchor" href="#arg-newlines-in-values"></a></dt> |
| <dd><p>Logical: are values allowed to contain CR (<code>0x0d</code>) |
| and LF (<code>0x0a</code>) characters?</p></dd> |
| |
| |
| <dt id="arg-ignore-empty-lines">ignore_empty_lines<a class="anchor" aria-label="anchor" href="#arg-ignore-empty-lines"></a></dt> |
| <dd><p>Logical: should empty lines be ignored (default) or |
| generate a row of missing values (if <code>FALSE</code>)?</p></dd> |
| |
| </dl></div> |
| |
| <div class="section level2"> |
| <h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2> |
| <div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><span class="va">tf</span> <span class="op"><-</span> <span class="fu"><a href="https://rdrr.io/r/base/tempfile.html" class="external-link">tempfile</a></span><span class="op">(</span><span class="op">)</span></span></span> |
| <span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/on.exit.html" class="external-link">on.exit</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/unlink.html" class="external-link">unlink</a></span><span class="op">(</span><span class="va">tf</span><span class="op">)</span><span class="op">)</span></span></span> |
| <span class="r-in"><span><span class="fu"><a href="https://rdrr.io/r/base/writeLines.html" class="external-link">writeLines</a></span><span class="op">(</span><span class="st">"x\n1\n\n2"</span>, <span class="va">tf</span><span class="op">)</span></span></span> |
| <span class="r-in"><span><span class="fu"><a href="read_delim_arrow.html">read_csv_arrow</a></span><span class="op">(</span><span class="va">tf</span>, parse_options <span class="op">=</span> <span class="fu">csv_parse_options</span><span class="op">(</span>ignore_empty_lines <span class="op">=</span> <span class="cn">FALSE</span><span class="op">)</span><span class="op">)</span></span></span> |
| <span class="r-out co"><span class="r-pr">#></span> <span style="color: #949494;"># A tibble: 3 x 1</span></span> |
| <span class="r-out co"><span class="r-pr">#></span> x</span> |
| <span class="r-out co"><span class="r-pr">#></span> <span style="color: #949494; font-style: italic;"><int></span></span> |
| <span class="r-out co"><span class="r-pr">#></span> <span style="color: #BCBCBC;">1</span> 1</span> |
| <span class="r-out co"><span class="r-pr">#></span> <span style="color: #BCBCBC;">2</span> <span style="color: #BB0000;">NA</span></span> |
| <span class="r-out co"><span class="r-pr">#></span> <span style="color: #BCBCBC;">3</span> 2</span> |
| <span class="r-in"><span><span class="fu"><a href="open_delim_dataset.html">open_csv_dataset</a></span><span class="op">(</span><span class="va">tf</span>, parse_options <span class="op">=</span> <span class="fu">csv_parse_options</span><span class="op">(</span>ignore_empty_lines <span class="op">=</span> <span class="cn">FALSE</span><span class="op">)</span><span class="op">)</span></span></span> |
| <span class="r-out co"><span class="r-pr">#></span> FileSystemDataset with 1 csv file</span> |
| <span class="r-out co"><span class="r-pr">#></span> 1 columns</span> |
| <span class="r-out co"><span class="r-pr">#></span> x: int64</span> |
| </code></pre></div> |
| </div> |
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