When processing text files, the
awk
language is ideal for handling data extraction, reporting, and data-reformatting jobs. This practical guide serves as both a reference and tutorial for POSIX-standard
and for the GNU implementation, called
gawk
. This book is useful for novices and
experts alike.
In this thoroughly revised edition, author and
lead developer Arnold Robbins describes the
language and
program in detail, shows you how to use
and
for problem solving, and then dives into specific features of
. System administrators, programmers, webmasters, and other power users will find everything they need to know about
. You will learn how to:
Format text and use regular expressions in
Process data using
's operators and built-in functions
Manage data relationships using associative arrays
Define your own functions
"Think in
" with two full chapters of sample functions and programs
Take advantage of
's many advanced features
Debug
programs with the
built-in debugger
Extend
by writing new functions in C or C++
This book is published under the terms of the GNU Free Documentation License.
You have the freedom to copy and modify this GNU manual.
Royalties from the sales of this book go to the Free Software Foundation and to the author.