Finding frequency of words used in a given file

- [Narrator] Welcome to the next video of section four:…Finding the Frequency of Words Used in a Given File.…In the previous video, we have learned…how to use awk for advanced text processing.…In this video, we'll learn how to find the frequency…of words used in a given file.…Finding the frequency of words used in a file…is an interesting exercise to apply…the text processing skills.…It can be done in many different ways.…Let's see how to do it.…We can use associative arrays,…awk, sed, grep, and so on.…To solve this problem in different ways,…words are alphabetic characters delimited…by space or a period.…

First, we should pass all the words in a given file…and then count of each word needs to be found.…Words can be passed by using regex with any of the tools…such as sed or grep.…We just saw the logic and ideas about the solution.…Now, let's create a shell script as follows:…A sample output is as follows:…Let's see how it works.…

The highlighted file name is used to output only words.…The minus O option will print…