"Awk has always been for me a source of great hatred
and love, isan incredibly powerful command with which it is
possible to build real programs. In this article I will give you 6
examples ready for use with your preferred terminal.
"AWK is a data driven programming language designed for
processing text-based data, either in files or data streams. It is
an example of a programming language that extensively uses the
string datatype, associative arrays (that is, arrays indexed by key
strings), and regular expressions.
"AWK is one of the early tools to appear in Version 7 Unix and
gained popularity as a way to add computational features to a Unix
pipeline. A version of the AWK language is a standard feature of
nearly every modern Unix-like operating system available