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A.4 Extensions in Brian Kernighan's `awk'
=========================================
Brian Kernighan has made his version available via his home page (
Other Versions).
This minor node describes common extensions that originally appeared
in his version of `awk'.
* The `**' and `**=' operators ( Arithmetic Ops and
Assignment Ops).
* The use of `func' as an abbreviation for `function' (
Definition Syntax).
* The `fflush()' built-in function for flushing buffered output
( I/O Functions). As of December 2012, this function is
now standardized by POSIX.
Common Extensions, for a full list of the extensions
available in his `awk'.
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