awk Functions
This chapter presents a library of useful awk functions. The
sample programs presented later
(see section Practical awk Programs)
use these functions.
The functions are presented here in a progression from simple to complex.
section Extracting Programs from Texinfo Source Files,
presents a program that you can use to extract the source code for
these example library functions and programs from the Texinfo source
for this book.
(This has already been done as part of the gawk distribution.)
If you have written one or more useful, general purpose awk functions,
and would like to contribute them for a subsequent edition of this book,
please contact the author. See section Reporting Problems and Bugs,
for information on doing this. Don't just send code, as you will be
required to either place your code in the public domain,
publish it under the GPL (see section GNU GENERAL PUBLIC LICENSE),
or assign the copyright in it to the Free Software Foundation.
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