Ars Technica

Linux/BSD command line wizardry: Learn to think in sed, awk, and grep

As a relatively isolated junior sysadmin, I remember seeing answers on Experts Exchange and later Stack Exchange that baffled me. Authors and commenters might chain 10 commands together with pipes and ...
Ars Technica

Linux/BSD Command Line 101: Using awk, sed, and grep in the Terminal

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 ...
Network World

Removing duplicate characters from a string on Linux with awk

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 ...
Network World

Unix How To: Sed & Awk — Still friendly after all these years

Even after decades of using Unix on thousands of systems, I find that it’s still fun to discover various convolutions of sed and awk commands to perform command line wizardry. There’s a lot more to ...
Linux Journal

Real Programming with AWK

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 ...
Linux Journal

An Introduction to awk

The awk programming language often gets overlooked for Perl, which is a more capable language. Out in the real world, however awk is found even more ubiquitously than Perl. It also has a smaller ...