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leetcode-cn/problem (English)/统计词频(English) [word-frequency].html Normal file
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<p>Write a bash script to calculate the frequency of each word in a text file <code>words.txt</code>.</p>
<p>For simplicity sake, you may assume:</p>
<ul>
<li><code>words.txt</code> contains only lowercase characters and space <code>&#39; &#39;</code> characters.</li>
<li>Each word must consist of lowercase characters only.</li>
<li>Words are separated by one or more whitespace characters.</li>
</ul>
<p><strong>Example:</strong></p>
<p>Assume that <code>words.txt</code> has the following content:</p>
<pre>
the day is sunny the the
the sunny is is