Linux – How to Use awk Command for Text Processing

Published: 16 December 2025
on channel: HardReset.Info

194

In this video I show how to use the awk command on Linux for quick text processing. You will learn how to open the terminal, inspect a sample text file, print specific columns, filter lines by column values, add/sum column values, set a custom field separator, and use awk together with pipes. The examples are simple and work on most Linux distributions. This guide is ideal for beginners who want fast, scriptable tools to handle CSV or plain text data and for anyone who needs quick command-line tricks for logs, process lists, or data files.

How to use awk command on Linux for text processing?
How to print specific columns with awk on Linux?
How to set a custom field separator in awk on Linux?

0:00 Intro – what is awk and why use it
0:15 Open terminal & show sample file
0:41 File layout: two lines and three columns explained
1:04 Print the first column with awk
2:26 Print the third column (cities)
2:48 Filter lines where column 2 is greater than 27
3:41 Sum/add values from a column using awk loop
4:47 Set a custom field separator (use -F) and print fields
5:54 Example: print fields from a custom-separated file
6:06 Use awk with pipes to extract first three columns from command output
7:12 Outro, like & subscribe

#Linux #awk #TextProcessing #CommandLine

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