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Brian Kernighan, one of the original designers of Unix
has made his version available via his home page
(see section Other Freely Available
This section describes extensions in his version of
awk that are
not in POSIX
awkno longer needs these options; it continues to accept them to avoid breaking old programs.
fflushbuilt-in function for flushing buffered output (see section Input/Output Functions).
funcas an abbreviation for
function(see section Function Definition Syntax).
The Bell Laboratories
awk also incorporates the following extensions,
originally developed for
FSand for the third argument to
splitto be null strings (see section Making Each Character a Separate Field).
nextfilestatement (see section Using
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