Awk does a lot more than select a column from a file or an input stream. It can select columns from selected rows. It can calculate totals, extract substrings, reverse the order of fields and provide ...

AWK is a text-processing language with a history spanning more than 40 years. It has a POSIX standard, several conforming implementations, and is still surprisingly relevant in 2020 — both for simple ...

In my first post on removing duplicate PATH entries I used an AWK one-liner. In the second post I used a Perl one-liner, or more accurately, I tried to dissect a Perl one-liner provided by reader ...