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 ...

sed, which stands for 'stream editor,' offers many options for selecting content from a command or a file and changing it as requested. The sed command on Linux can be used in quite a few different ...

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 ...

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 ...

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 ...