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 use awk all the time, but generally only to conveniently pull a particular field out of data that I’m workin with. Regardless of the separator used, awk makes it easy to extract just what you need.

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 ...

Last time I talked about how to use AWK (or, more probably the GNU AWK known as GAWK) to process text files. You might be thinking: why did I care? Hardware hackers don’t need text files, right? Maybe ...

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 ...