Even after decades of using Unix on thousands of systems, I find that it’s still fun to discover various convolutions of sed and awk commands to perform command line wizardry. There’s a lot more to ...

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 ...

Linux administrators who want to modify files without overwriting the original have many options, but one of the most efficient tools is the stream editor -- or sed. The stream editor is a default ...

The Linux operating system is a powerhouse for developers, system administrators, and enthusiasts alike, offering unparalleled flexibility and control. Central to its prowess is the command line, a ...

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 ...

Oh, the memories of utilities I haven't used in many years.... Incidentally, you can do a lot of these command-line exercises almost as succinctly with perl one-liners, which is one reason why perl ...