The awk command provides a lot more than simply selecting fields from input strings, including pulling out columns of data, printing simple text, evaluating content – even doing math. If you only use ...

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 ...

In an earlier article ("GNU Awk 4.0: Teaching an Old Bird Some New Tricks", published in the September 2011 issue of Linux Journal), I gave a brief history of awk and gawk and provided a high-level ...

We aren’t doing the next generation of Linux and Unix admins any favors by forgetting init scripts and fundamental tools I happened across a post on Reddit by chance, asking about textfile ...

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 ...