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`gawk' Summary

   This appendix provides a brief summary of the `gawk' command line
and the `awk' language.  It is designed to serve as "quick reference."
It is therefore terse, but complete.


Command Line Summary
Recapitulation of the command line.
Language Summary
A terse review of the language.
Variables, fields, and arrays.
Rules Summary
Patterns and Actions, and their component parts.
Functions Summary
Defining and calling functions.
Historical Features
Some undocumented but supported "features".