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 ...

The purpose of this article is to demonstrate that real programs can be and are written using the AWK programming language. When I first started working with UNIX, going back 10 years now, no one I ...

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 ...