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 ...

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.

Over the years, the primary way that I’ve used sed is to change text on the fly. There are many occassions in which I want to change one string to another the first or every time that it appears in a ...

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 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 ...

I love chaining commands as much as anyone, and sed, awk, grep, and perl are some of my best friends. However, remember that, in *nix, each command runs in its own process, the resources required for ...

Shell scripts tend to fork a lot of processes to do things (although, IIRC, busybox is a mostly sh-compatible replacement that makes a whole lot of common unix commands be high performance built-ins ...