Parse all the words in a given file and then the count of every word that needs to be found.
- [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…
Released
7/17/2017Note: This course was created by Packt Publishing. We are pleased to host this training in our library.
- Printing in the terminal
- Performing math in the Linux shell
- Getting and setting dates
- Working with functions and arguments
- Reading output
- Making comparisons
- Concatenating text
- Finding, editing, generating, and deleting files
- Running parallel processes
- Using regular expressions
- Downloading webpages
- Parsing data from a website
- Finding broken links
- Backing up and archiving
- Transferring files and data through the network
- Monitoring your Linux system
- Gathering data for system administration
Skill Level Intermediate
Duration
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Visiting aliases2m 25s
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Debugging the script2m 46s
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Functions and arguments4m 31s
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Automating interactive input4m 10s
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3. File In, File Out
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Generating files of any size4m 24s
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Making files immutable2m 13s
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Using loopback files6m 15s
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Printing the directory tree3m 18s
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4. Texting and Driving
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Using regular expressions9m 25s
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5. Tangled Web? Not at All
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Downloading from a web page5m 15s
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A primer on cURL7m 11s
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Faster archiving with pbzip23m 15s
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Backup snapshots with rsync6m 55s
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7. The Old-Boy Network
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Creating arbitrary sockets2m 45s
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Monitoring disk activity1m 41s
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Gathering system information1m 57s
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Scheduling with cron7m 7s
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User administration script5m 16s
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Video: Finding frequency of words used in a given file