gawk is the GNU version of the standard Unix awk. A general purpose text processing language.
gawk-3.1.2: description + notes
The first paragraph of the man page says:Gawk is the GNU Project's implementation of the AWK programming language. It conforms to the definition of the language in the POSIX 1003.2 Command Language And Utilities Standard. This version in turn is based on the description in The AWK Programming Language, by Aho, Kernighan, and Weinberger, with the additional features found in the System V Release 4 version of UNIX awk. Gawk also provides more recent Bell Labs awk extensions, and some GNU-specific extensions.
For more details, see
man gawkor the included GNU texinfo (gawk.info*) in this distribution. The GAWK home page has more information.
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