How to use awk to select data from commands and scripts Your email has been sent Image: iStock/Inimma-IS Must-read developer coverage What Powers Your Databases? Take This DZone Survey Today!

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 Linux expand and unexpand commands can turn tabs into spaces and spaces into tabs, and the sed and awk commands can help. The Linux expand and unexpand commands sound like they can make files ...

Some Linux commands are no longer in use. These commands may still be available, but it's best to avoid them. Each of these commands has a newer replacement. Over the decades that I've been using ...

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 ...

The commands below include basic Unix commands such as ls, cat, cp, mv, grep, etc. We will also talk about some of the shortcuts that can help you take control of your operating system faster and in a ...

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 ...

The moment you chain 7 commands including awk or write a shell script with many subroutines is time to consider a "real" language like perl or python, or even c/c++/java. File operations are a bit ...