From 5b568d42b62f30dff65a2b4c08936f0bb36a4ae1 Mon Sep 17 00:00:00 2001
From: mahek0620 <136893675+mahek0620@users.noreply.github.com>
Date: Sun, 9 Jun 2024 19:52:05 +0530
Subject: [PATCH] Create 0192-word-frequency.md

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+---
+id: word-frequency
+title: Word Frequency
+sidebar_label: 0192 Word Frequency
+tags:
+  - Leetcode
+  - Bash
+  
+description: "This is a solution to the Word Frequency problem."
+---
+
+## Problem Description
+
+Write a bash script to calculate the frequency of each word in a text file words.txt.
+
+For simplicity sake, you may assume:
+
+words.txt contains only lowercase characters and space ' ' characters.
+Each word must consist of lowercase characters only.
+Words are separated by one or more whitespace characters.
+
+### Examples
+
+**Example 1:**
+
+```
+Assume that words.txt has the following content:
+
+the day is sunny the the
+the sunny is is
+
+Your script should output the following, sorted by descending frequency:
+
+the 4
+is 3
+sunny 2
+day 1
+
+```
+
+
+### Constraints
+
+- The input text file `words.txt` contains only lowercase characters and spaces.
+- Words are separated by one or more whitespace characters.
+
+## Solution for Word Frequency Problem
+
+### Intuition And Approach
+
+To solve this problem using Unix tools, we can leverage a series of commands piped together to process the text file. The approach includes:
+
+1. Replacing spaces with newlines to handle word separation.
+2. Sorting the words to prepare for counting duplicates.
+3. Using `uniq` to count the occurrences of each word.
+4. Sorting the counts in descending order.
+5. Formatting the output to display word frequency.
+
+#### Code
+
+<Tabs>
+  <TabItem value="bash" label="bash">
+  <SolutionAuthor name="@mahek0620"/>
+   ```bash
+tr -s ' ' '\n' < words.txt | sort | uniq -c | sort -nr | awk '{print $2, $1}'
+    ```
+  </TabItem>
+</Tabs>
+
+
+
+## References
+
+- **LeetCode Problem:** [Word frequency Problem](https://leetcode.com/problems/word-frequency/)
+- **Solution Link:** [Word-Frequency Solution on LeetCode](https://leetcode.com/problems/word-frequency/solutions/5273312/word-frequency-solution)
+- **Authors GeeksforGeeks Profile:** [Mahek Patel](https://leetcode.com/u/mahekrpatel611/)