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Check if AWK supports the ’^’ operator. If successful execute ACTION-IF-SUCCESS otherwise ACTION-IF-FAILURE.

This work is heavily based upon script by Heiner Steven. You should find his script (and related works) at <>. Thanks to Alessandro Massignan for his suggestions and extensive nawk tests on FreeBSD.

Source Code

Download the latest version of ax_check_awk_operator_square.m4 or browse the macro’s revision history.


Copyright © 2009 Francesco Salvestrini

Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without any warranty.