The awk command can make it easy to remove duplicate characters from a string even when those characters aren’t sequential, especially when the process is turned into a script. First, the awk command ...

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 ...

I’m going to go ahead and admit it: I really have too many tray icons. You know the ones. They sit on your taskbar, perhaps doing something in the background or, at least, giving you fingertip access ...

If you look around, a lot of data loggers and test instruments do produce text files. If you have a text file from your scope or a program like SIGROK, it is simple to slice and dice it with AWK. Your ...

The awk utility is still one of the most useful tools for separating out columns within text, thus allowing them to be used in other commands. And GNU awk (gawk) with its wide range of new features ...

I can't believe it, this is my 52nd column. That means I've been writing for Linux Journal for almost four and a half years. Hopefully, you've been reading my column just as long and enjoying our ...