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 user. This Unix command is used for command line processing.

Want to know the tricks of replacing a variable in a file using the SED command? This article will give you an overview of replacing a variable value in a file using SED. Before replacing a variable ...

The only thing wrong with sed is that most of us barely grasp how powerful it is. We use it in pipes to change "this" to "that", but we rarely consider it for the big editing jobs where it could save ...

The filter sed can process text from standard input and write its results to standard output. The input can be redirected from a file, and the output also can be redirected to a file using your ...

If you do much Linux shell scripting, you’ve probably encountered sed — the stream editor — in an example. Maybe you’ve even used it yourself. If all you want to do is substitute text, it is easy and ...

Ooooh, great article to wake up to. I find the following alias commands, which I set system wide in /etc/profile.d/custom.sh, on my primary file server and anything ...

Once you’ve gained a solid understanding of Linux and mastered the various commands available, your next big win comes in the form of shell functions. Code wrapped in a function can be reused by your ...

Learn how to append text to files in Linux using commands like double redirection operator, tee, and sed without overwriting existing data.

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 problem of ...