Abstract
\_sed & awk\_ describes two text processing programs that are mainstays of the
UNIX programmer's toolbox. The book lays a foundation for both programs by
describing how they are used and by introducing the fundamental concepts of
regular expressions and text matching. This edition covers the \_sed\_ and \_awk\_
programs as they are mandated by the POSIX standard. It also includes a
discussion of the GNU versions of both programs, which have extensions beyond
their UNIX counterparts. Many examples are used throughout the book to
illustrate the concepts discussed.
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