"Do people really write these long, convoluted commands?" In a word: yes. Read the whole story ...

Delete lines in Linux: SED, commands David Webb 03/25/2022 14:29. Unix utility SED provides an effective and versatile way of deleting one or more lines from a designated file to match the needs of ...

The awk command is incredibly useful, and you will be surprised at just how powerful and transformative it will make your scripts. Here's how to get started using it.

In an earlier article ("GNU Awk 4.0: Teaching an Old Bird Some New Tricks", published in the September 2011 issue of Linux Journal), I gave a brief history of awk and gawk and provided a high-level ...

The awk command can make it easy to remove duplicate characters from a string even when those characters aren’t sequential, ... More math on the Linux command line. May 8, 2025 5 mins. how-to.

The purpose of this article is to demonstrate that real programs can be and are written using the AWK programming language. When I first started working with UNIX, going back 10 years now, no one I ...

Wow. It’s amazing we ever made it out of the 20th century. It’s like reading about farmers who would plow by hand. I remember the epiphany (long time ago) of discovering how awk solved my ...