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 ...

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 ...

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 ...